105 is generally found on bikes priced from £1,250–2,000, although the waters are slightly muddied by whether a bike comes with rim brakes or disc brakes (with the latter tending to bump up the price). Note: This post contains affiliate links. Get enjoyable and helpful cyclo-info straight to your inbox. Ne manquez pas de découvrir toute l’étendue de notre offre à prix cassé. My experience with Tiagra gears (particularly the recent generation) is limited. Shimano Tiagra is firmly a 10-speed system, reducing the number of potential gearing combinations by two. The only caveat to this might be where a manufacturer has used cheaper wheels to bring the bike in on budget (which is common) – spending extra to upgrade the wheels is probably something you would feel the benefit of. Certainly compared to my version of 105. This brings it into line with the new naming convention with its two higher end siblings, 2017 Dura-Ace (R9100) and 2018 Ultegra (R8000). Progressive all-road performanceNew 10-speed TIAGRA provides serious entry-level riding performance with cascaded technology from top-tier lines.More intuitive control for shiftingThe new 10-speed cable pitch for wider frame compatibilityUpgraded with cascaded technology from DURA-ACE30% increase in brake power (same level as BR-5700). It is offered in 52-36, 50-34T, and a new 48-34T chainring … A category includes a manufacturer’s set (in this case, Shimano) of mechanical parts of a bike. The 7500 has Sram twist grip shifters. My personal experience is that when I was shopping for a new bike a couple of years ago, one of my key purchasing parameters was the shifting. Perhaps a lesson for wider application. Preuve que le poids n'est pas important pour ce groupe Tiagra, le catalogue Shimano, qui indique pourtant le poids de chaque composant sur les groupes 105, Ultegra et Dura-Ace, ne mentionne aucun grammage pour les éléments Tiagra. If, on the other hand, you have a frame you’re happy with (perhaps you’ve had it professionally fitted) and you’re starting to think about replacing bits of your drive train, then I think an upgrade to 105 makes a lot of sense. A noter, le cliquet bruiteur est très bruyant, ce qui est fort agréable. $74.95. I would not buy this bike again. I’m delighted with it (even if it is an old groupset…). A cursory search (and this blog is built on cursory searches) suggests you can purchase the new 105 set for an inner tube less than £500 ($625), whilst the Tiagra groupset (the disc brake version) is at £450 ($560). All of which is to say, as 105 becomes more like (the previous) Ultegra as each generation goes by, so Tiagra gets improvements in line with the Shimano 105 groupsets of old. It’s also what happens, year after year, as a company updates its product ranges. My blog contains Affiliate Links. Ah yes. $96.52 $ 96. Hear about each post as soon as I publish. Une grande puissance de freinage tout en douceur. > My last bike started out as Tiagra and had various bits gradually upgraded to Tiagra as they needed to be replaced. You’ll note that in this section I’m not talking about other aspects of the groupset: the rear derailleur, the gear/brake levers, the bottom bracket. Buy what works for you, everyone’s situation is different. If you’re looking to spend $1,000/£750 on a bike with 105 (which probably isn’t possible anyway), the manufacturer will have to have cut costs when it comes to the frame and wheels. Shimano 105, like Dura-Ace and Ultegra, only features integrated brakes/shifters for drop handlebars. In this post I’ll explain the key differences (and similarities) between the two ‘gruppos‘ and give some thoughts on how best to decide. compatible) ? Over time the blog has expanded to include training advice, gear reviews and road cycling tales, all from the perspective of a not-very-fit MAMIL. I think that this is a pretty good upgrade path as the price difference between the 2 components is generally very low and you’re not throwing away a working Tiagra component – you’re replacing it anyway. that sit parallel to the handlebars). A word of caution though before pulling the upgrade trigger (typing in your credit card details). Of course if you are into “fashion”, get the dura-ace components. Now we’re getting into the most important topic. Stepping down to Tiagra on a mid-range bike like this is unlikely to be worth it. If you aren’t in a hurry, or if you shift infrequently (touring, fitness, long climbs in 1st gear) that isn’t an issue. Efficace et performant, ce moulinet de traîne Shimano Tiagra, monument de technologie et de robustesse est usiné dans la masse. Dissatisfaction with the performance of your current gearing set up could be down to maintenance. I’ve been very happy with the 105 groupset on my Domane. As well as the parts that make up the gearing system (chainrings, cranks, cassette, front and rear derailleur, chain), a groupset will also include the gear shifters and brakes. Aujourd'hui vendredi 25 décembre 2020, faites vous plaisir grâce à notre sélection Shimano tiagra pas cher ! …maybe with a spot of electronics thrown in there as well Jon? Of course if you race or if safety depends on fast shifts (mountain biking, cyclocross) then you must upgrade. By 2015, everyone riding a bike with the new Shimano 105 groupset was effectively riding with the same tech. Is it worth upgrading to 105? Another friend of mine has the same bike from the factory, and hasn’t changed a thing. I know it is an aesthetic thing, but it is nicer! Moulinet de référence chez Shimano. Le moulinet Shimano Tiagra est l’arme absolue pour se mesurer avec les poissons de sport les plus puissants. Very useful if you want to ease yourself up those steeper slopes. ... Groupe complet vélo route Shimano Tiagra 4700 2x10v. The Tiagra would constantly get hung up mid-shift and deform the derailleur cage outwards, bringing it into contact with the right crank. If you have a $650/£500 bike that you bought off the shelf (strong shelf), that wasn’t really sized correctly and doesn’t really fit (essentially the story of my first road bike purchase), then don’t upgrade your gears. TIAGRA 4700. Shimano Tiagra ST-4700 - Freins de vélo | à partir de 101,92 € | Comparer les prix avec idealo.fr ! There is a marginal benefit in having an extra rear gear. If you want 11 of them, then you’ll need to go with 105 (or Ultegra or Dura-Ace). Professional teams that ride with Shimano components spec Dura-Ace for their pro riders. SHIMANO TIAGRA 4600 SERIES | SHIMANO BIKE COMPONENT Tiagra often finds itself on an entry-level steed; 105 starts to present itself further up the price spectrum. In a previous version of this post, I noted that Bradley Wiggins won the Tour de France in 2012 riding Dura-Ace (although perhaps it was the non-Shimano assymetric chain rings that made all the difference). I’m a reasonably enthusiastic road cyclist and there is no chance I’d be able to tell the differences between model ranges on these components. The 105 system, like most higher end groupsets, is only available with two chainrings at the front. Being a label type and a bit tight I really wanted to go for ally/105 yet on riding there was no noticible difference in group set performance but a huge difference in frame performance. Ce moulinet au gros a tellement dominé le marché du fait de ses innombrables avantages, qu'il en est difficile d'en faire la présentation. Toutes les cassettes Shimano Ultegra, Dura-Ace, Tiagra, Alivio, Sora, 105...toute la gamme des cassettes Shimano au meilleur prix chez vous en 24/48h Not sure, but perhaps Shimano made some improvements to the 105 system since 2013 / 2014. At $2100 its a big decision though. The frame does make the biggest difference, and as you indicate it’s not all about wieght, next to frames wheels also make a big difference, once you get into the groupsets you are talking more phsycology than actual effect, although wider ratios definately work better with MTB groupsets (hence the XT on the triple set-up.). just me then?). Continental’s 25mm GT Grand Prix tyres are top-quality and still handmade in Germany. Long story short… I even completed the Tiagra group set with a Tiagra chain and brakes. Amongst my family bikes we have multiple Tiagra setups, and then on my racing bike I have the 105s. I would buy the same bike with the 105 hoping it would shift better. As a 10-speed system, I can also use compatible components from other 10-speed Shimano groupsets: Ultegra 6700 and, yes, current version 4700 Tiagra (indeed I just bought a Tiagra cassette because it had the range of sprockets I wanted). Surprisingly the 105 rear mech is coping with a 34 toothed rear cog (the block is a mixture of the road top gears, 11,13,15,17 and then some MTB cogs…) However the shifters and adjustments are a nightmare..Indexing is the main issue, it seems to be impossible to get all the gears to sit well..and unlike with a trigger shifter you can’t make adjustments whilst actually riding.. New 10-speed TIAGRA provides serious entry-level riding performance with cascaded technology from top-tier lines. TR50LRS - TIAGRA TI-50W LRS 94/38 cm 4 20 kg 36 kg / 503 m LD 2447 g 3.1:1, 1.3:1 TRTI80W - TIAGRA TI-80W 94/48 cm 4 24 kg 36 kg / 868 m LD ... 99/56 cm 6 45 kg 59 kg / 914 m LD 4936 g 2.2:1, 1.15:1 Due to Shimano’s constant product development, product specifications may vary from those shown on this website. The price differential tends to reflect throughout the full bike, as one equipped with 105 is likely to be slightly higher ‘specced’ in terms of wheels and other finishing gear. Best of luck.. alternatively you could (and I’m thinking about it..) consider going for a hub gear..they last for ever and ever and ever.. are really bomb proof, and use heavier chains.. Perhaps Our sportive cyclist Monty could do some work on comparisons? Yo! Without wishing to sound like a broken (Strava personal) record, we all know by now that I have 10-speed Shimano 105, a range that was launched getting on for 10 years ago. Why do they have to make it so complicated ? Dérailleur Avant SHIMANO TIAGRA 4703 3x10V à Braser Modèles en stock Taille unique 29,99 € Prix conseillé : 37,99 € Dérailleur Avant SHIMANO TIAGRA 4703 3x10V … We run two 735 CdFe’s one with a tiagra triple and XT rear combo, and one with 105 compact (and upgraded hope hubbed wheels.) To summarize. Best Winter Cycling Tights For Road Cyclists. Notre avis : Le groupe « à tout faire » de Shimano.Une solution fiable et économique pour rester en transmission 10 vitesses. I assumed this was perhaps because the 105 has stiffer springs in the derailleurs to prevent miss shifts or the gears skipping in competition, (where most of the 105 and Ultegra is utilized). So from my limited experience getting the right frame for you is the main concern. More intuitive control for shifting The new 10-speed … Avec son pédalier 4 branches entraxe unique, ses freins double pivot, son dérailleur avant optimisé et ses poignées avec câbles intégrés, il se positionne désormais comme le groupe référent en 10 vitesses. Moulinet Shimano Tiagra Le fameux moulinet de traîne TIAGRA de SHIMANO est un moulinet de légende pour tous les pêcheurs au gros et les amateurs de Big Game. The advantage of the Tiagra, (which on a Domane’ is a full group set), was that each shift was super easy and accurate. not as part of a bike purchase) is surprisingly small. Moulinet Shimano Tiagra. Thanks Conrad . I just think that the trigger shifters on MTBs and hybrids will always be better shifters.. One could always go beack to the old days..when all shiters were none indexed, and you could fine tune each alignment.. …and that is a level of detail and knowledge that I couldn’t hope to supply. Now actually, the Tiagra looks very similar to the previous generation of 105 (5800 – no ‘R’) and Ultegra (6800 – no… you get the picture). The user base for both is so vast that it’ll continue to be served by Shimano making replacement parts to serve the aftermarket for many years to come. If you have a cassette that goes beyond 30 teeth, that means you’ll have one or two combos with a ratio below 1. As an Amazon Associate I earn from qualifying purchases. Over time the blog has expanded to include training advice, gear reviews and road cycling tales, all from the perspective of a not-very-fit MAMIL. Tous les groupes complets pour vélos de route Shimano, Campagnolo, SRAM au meilleur prix : Ultegra, Dura-Ace, Record, Red, etc sur Materiel-velo.com. If you race, you probably care about the 200g (7 oz) as well, which counts for more than frame weight because it is rotating. Which actually makes Tiagra the odd one out in the Shimano range in not having adopted an ‘R’. I think you need to also bear in mind what you’re using the bike for when deciding on groupset. Shimano sort cette fois un ensemble Tiagra qui vient remplacer les RS405. When it comes to choosing which make and model of gears for your first road bike (or your first ‘proper’ one), there’s a good chance you’ll be deciding between a Shimano Tiagra and a Shimano 105 groupset. I use this bike in the winter, and so don’t really want to be replacing more expensive components that are being ground to a paste during those winter months. They are both durable and reliable. Bras de Levier Droit pour Poignée SHIMANO TIAGRA ST-4700 10v #Y02L98020 Modèles en stock Taille unique 24,99 € Prix conseillé : 35,69 € Bras de Levier Droit pour Poignée SHIMANO TIAGRA … This may or may not be a problem for you. Since you're here, Monty would also like you to check out. COMPONENT If you click and buy something, I receive a commission. After replacing the front derailleur twice with Tiagra, I finally chose to upgrade it to 105. Speaking from a mountain biking background, 105 is similar to SLX, if one has the luxury of being able to buy new.. and this years then I’d say 105 like SLX is the best value for money..if you’re buying second hand, or last years model then I’d go for the XT eqivalent, namely the Ultegra.. On a slightly diferent tack.. most of us are of a more chubby frame, and as you get more cogs on the back, you also get a thinner chain, and thinner chains stretch/wear quicker, and are more expensive to replace..I still think 10 is the most you want on the rear cassette..the 7 speed block I’ve got on my ancient work bike is still running the same chain..three years on..my MTB chains on 10 speed blocks last about 1000kms..road bikes maybe a bit..well quite a lot more..but then you go much further in an hour on a road bike.. Well, Shimano’s lowest cost range is called Claris. You can buy a Tiagra cassette that goes up to 34 teeth on the largest sprocket. The groupset is reliable but is not as crucial as what it is bolted too – there would be no point in upgrading this to the 105 (or Ultegra) as the bike is great as it is. Assurant des changements de vitesses à la fois souples, légers et précis, il est idéal pour une pratique tant loisir que sportive. Then Sora. Whilst a third chainring adds weight, and many of the added gear combinations will be similar to those that you’d get on a 20-speed system, the smallest 30-tooth chainring will provide a couple more very easy gears. Starting with the big kahunas: The current and the prior versions of Shimano 105 are 11-speed groupsets. Shimano Tiagra long cage rear mech will handle cassettes with up to 34 tooth sprockets As with Shimano’s other groupsets, there’s a long cage and a short cage version of the rear mech. The progression through the gears is smoother with smaller ‘leaps in hardness’ (another technical term). We all want our bike, and how it looks, to say something about us as a rider and our velo prowess (what? The difference in weight for the full groupset is in the order of 174g (less than the weight of a third full water bottle). SirMadam will note the 4-arm design and the chunky crank flavours. Trek Domane 4.3 Road Bike Rebuild: Tools and Parts List, R7000 generation 105 is so similar to Ultegra. For those that already ride with Tiagra, 105 seems the natural upgrade path. Situé en entrée de prix, elle propose pourtant des performances dignes de ses grandes soeurs, le 105 ou l'Ultegra. And actually, now I delve deeper into this product number rabbit hole, I see that the newer versions of Sora and Claris also have ‘R’ numbers. My Trek 7500 only has 8 and the Trek Domane has 10. Conseils d’achat Comparatifs Avis & Tests produits you don’t? I should imagine it would work on my summer bike as well, but I do have a more exotic groupset on that one. Even more confusingly, as part of its 2019 update, Shimano 105 transitioned from being a number only (the prior 2015 generation was known as 5800) to being a number preceded by the letter R. The current generation of Shimano 105 is therefore also known as R7000. And I am not the owner of the strongest pair of legs by any means. Is there anyone out there with experience of both sets? (Other than the fact Tiagra doesn’t have that ‘R’ we talked about.). Ouvrez les portes du plus beau magasin du Web ! Shimano Tiagra : découvrez toute la gamme Shimano® Tiagra (cassette, chaîne, pédalier etc.) There will always be a solution here (that feels like a bold statement…). My blog contains Affiliate Links. I finally settled on a 2013 Trek Domane’ 2.1c in large part because the bike shifted so well compared to others, especially those with 105. Tiagra will be allied to other entry-level equipment (the wheels, frame material, saddle). Achat Shimano tiagra à prix discount. Shimano, like competitors Campagnolo and SRAM, produce a range of components for bikes that are designed to be used together. I rode a bunch of bikes from moderate to expensive… Cross bikes & road bikes of varying levels, (all in the Trek line-up). The smaller models go for personal use though long range anglers may prefer a cow fighter of their own. PRODUCT Not being a competitive cyclist racing under demanding conditions, I figured the 105 was designed to be placed in a gear and not changed as frequently as one might need to in an uncontrolled environment. Aficionados, looking to confuse us mere mortals, will sometimes refer to a groupset simply by this number. According to Cycling Weekly, the R7000 generation 105 is so similar to Ultegra in performance that the only thing counting against it anymore is that the name doesn’t carry the same ‘cool factor’. If you have a budget of $2,000 – $2,200 /£1,500 – £1,700 then you’re likely to see 105 gearing installed on a good quality carbon frame with wheels and finishing components of a similar level. Interesting comments I have an older ChroMo Norco we built from ground up Tiagara throughout and live it I do 59k rides every day no issues My Scott has Tiagara also, but the previous generation and it is noisy as heck I am thinking 105 for the Norco and kit the Scott with the newer Tiagara. There is an honest truth in the idea that it is not the gear, it is the bloke (or lady) pushing it!! There is a … There is no point having a marginally-improved set of gears if your wheels were made by a blacksmith. Comme un produit Shimano Tiagra pas cher, à choisir neuf ou d'occasion parmi les 79 références à prix bas disponibles à la vente. If we compare this to the current generation Tiagra 4700 crankset, you will see…. At one point in the life of the bike they replaced my 105 rear derailleur with a Tiagra one based on what they had in stock. FREE Shipping. Hi Vurnis, Your trek 7500 is shifting better because I suspect it has fewer cogs, and a trigger shifter.. I’ve recently been trying to get a better (as I am now towing upwar4ds of 20k on a trailer..) lower range gearing onto my Road bike, (Croix de Fe). These are links to online stores such as Amazon, Wiggle and Chain Reaction. The Taigra hubs I skipped and instead swapped the “Bontrager Approved” setup with far better Bontrager wheels (Selenium RXL’s with RXXXL Carbon hubs and Aero spokes, Swiss bearings and 28c AW3 tires). Perhaps this means it is due for a “major update”. You pay the same price that you would have done anyway. <<< YES LIGHT WHEELS AND LOW ROLLING RESISTANCE MAKE A HUGE DIFFERENCE highly recommended . may suddenly force you to shift. My 18 Year old Trek 7500 hybrid shifts better. You can find plenty of people online that extol the virtues of the cheaper option. Either confusingly or helpfully, each range is also described by a four digit number. Incidentally, in case you’re interested, the version of 105 on my bike (shown in the photos in this post) is 5700 (the 10-speed ‘2011 groupset’, released in 2010 (!???!)). Shimano Tiagra CS-HG500-10 Road Bike Cassette 11-32T 10 Speed. It sounds like the main drawback for the Tiagra is that you have to hunt/wait for the gears a bit more. Design plus actuel et ergonomique issu des groupes de gamme supérieure (105, Ultegra, Dura-Ace) et mécanisme de changement de vitesses plus rapide pour ces nouvelles poignées Tiagra ST-4720 qui restent bien entendu en 2×10 vitesses. Today I had the chance to test ride a brand new Trek Crossrip 3 with a full 105 groupset and it seemed to shift as smooth and quick as my Tiagra, but with the more crisp positive feel of the 105. Tiagra works, and it works really well on my winter bike. Retrouvez toutes les pièces vélo Shimano Tiagra au meilleur prix : dérailleur Shimano Tiagra, cassette Shimano Tiagra, groupe Shimano Tiagra, chaine, etc You make a good point about the number of cogs. Or who is a massive fan of their Tiagra and wouldn’t swap it for all the EPO in a Spanish pharmacy? For those who are hard of maths, that’s a saving (or additional cost) of ~£50. Des changements de vitesses encore plus intuitifs Nouveau tirage du câble pour transmission 10 vitesses, pour une plus grande compatibilité Trek Domane vs Specialized Roubaix: Which Is The Best Endurance Road Bike? More Buying Choices $96.51 (4 new offers) Amazon's Choice for shimano tiagra. The other ‘possibility’ is that you are missing some/a spacer between one or more of the cogs.. You really need to make friends with your local bike shop mechanic, as when shimano shifetrs work they are superb..and often it’s only a minor adjustment that’s required, but you need to know what to ‘adjust’. As far as the visuals go, it’s all about the crankset (or chainset, depending on your geographical persuasion). Tiagra sits above that, followed by 105. The new SHIMANO TIAGRA FC-4700 crank balances weight and efficiency without sacrificing stiffness. I assume Shimano is still making them, even if it isn’t selling them as a complete groupset. I can adjust it to shift good on 8 of the 10 but can’t get it to shift good an all 10. The raft of improvements in the current 105 groupset (lighter, less bulky lever hoods; ability to run an 11-34 cassette; redesign of the rear derailleur to give it more ground clearance) weren’t that long ago added to Shimano’s Dura-Ace and Ultegra offerings. I can still buy official 5700 parts (the number for my version of 105). This may or may not be a problem for you. I think this is because the throw on the shift levers is far shorter and has less resistance than on the more expensive 105, which seems to require a very concentrated mental and physical effort to change gears. As part of a compact chainset, this will be able to get you up even the most offensively-steep of ascents. Le nouveau Tiagra 10 vitesses offre des prestations issues des technologies haut de gamme, pour un groupe d'entrée de gamme. I rode multiple bikes with both component sets, and always found the 105 to be more responsive. These are links to online stores such as Amazon, Wiggle and Chain Reaction. I’ve got it adjusted where it shifts good in the middle gears where I ride most of the time but it doesn’t shift well at the extreme high or low end. [email protected]. 1 product rating - Shimano Tiagra 4700 ST-RS405 2 Spd Road Shifter and BR-RS405 Disc Brake Caliper. Le système de freinage Thermohydraulique compense la perte de freinage due à l'échauffement. The experience has dispelled any dark thoughts I had about upgrading bits of it to Ultegra. Just as we’ll all no doubt have windscreen head up displays in our 2022 Kia Ceed, today’s groupsets inherit features from their higher-priced cousins of yesteryear. Ride faster and further, and have more fun on your bike. HOME The result 1 carbon defy bought. Subscribe below and I will send you enjoyable and helpful cyclo-info straight to your inbox. Probably only a tiny difference but as I was so used to the 105 I found myself waiting for the chain to click into place before I got back on the power. Thanks for all of you comments very helpful for all the information you gave for someone who is thinking of upgrading to a better groupset. Comparez les tarifs, tombez nez-à-nez avec une super promo et voyez votre total diminué grâce à la livraison gratuite proposée par … Transmission complète 2x10v . … Is not just what happens after an all-out effort to get up that final hill. You can also buy Tiagra with a triple crankset, three chainrings (50-, 39- and 30-teeth) that, along with the 10-speed cassette, provide 30 gearing combinations. If we’re at the $1,300/£1,000 level and there is a choice between two bikes from good quality manufacturers, one with 105 and one with Tiagra, I’d be minded to select the Tiagra one, on the basis that it’s more likely to have a better frame and other components (though you’d want to check). The advantage to the 105 seemed to be that when it does shift, its a very positive and crisp gear change. This is not the post to go into which bits are compatible with what. Good point Tom. (If you want to know more about gear ratios – who doesn’t!?! I recently overhauled my Domane, in particular fitting new gear and brake cables, and the improvement in ‘shifting crispiness’ (technical term – I guess I could have said ‘precision’) is light and day versus how it used to perform. Trouvez votre Cassette Shimano Tiagra 4700 CS-HG500-10 [11-34] dans la catégorie Cassette route. He started Sportive Cyclist in 2013 to record the journey to his first 100 mile ride, the RideLondon 100. Double vitesse de récupération. Aujourd?hui la gamme TIAGRA couvre toute la pêche sportive, du 12 au 130 lb. But if I was to change the group set I’d go up 2 spots not just the one. The shifts were not as crisp or as immediate. They both do the same job and they do it effectively. à prix fous livrée chez vous en 24H. For new bike purchases then, you will tend to see Tiagra specced on models priced at less than £1,250 (or on carbon frames a touch above that price level). Il est ici proposé en chape moyenne. If you click on an Affiliate Link and then buy something, I get a small commission. You pay the same price that you would have done anyway. and anywhere else traffic signals, stop signs, pedestrians, cars, dogs, etc. The Tiagra is a very intuitive feeling shifting system, easy to figure out and get used to quickly. Et dans le large choix de la gamme, la transmission Shimano Tiagra retient une attention particulière grâce à son rapport qualité/prix exceptionnel. Le Shimano Tiagra est aussi le dernier groupe qui permet de choisir entre un double ou un triple plateau, ou bien entre un maximum de 20 ou de 30 vitesses. It is a great bike, the frame and wheels are commuter bomb proof and fast, (in spite of the weight). The Tiagra range includes shifters and brake levers for flat handlebars (i.e. group set. This site uses Akismet to reduce spam. I’m riding a 2014 Domane 4.0 with Tiagra and I’m very dissapointed with the shifting. I wouldn’t say it’s keeping me up at night, but visually the version of Shimano 105 on my bike makes clear that it is not the current version.