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6

I don't know anything about bottom brackets, but I found this document which says (on page 16): Shimano cartidge-bearing bottom-bracket spindles are marked with letter codes that correspond to different length spindles. These codes and the corresponding spindle lengths are: Code Length MM 107mm and 110.5mm LL 113mm D-H 115mm YL ...


4

It sounds like you need to adjust your rear derailleur - the cable may have slipped a bit and have insufficient cable tension, or if you recently had a crash, you may have bent your derailleur. I'd recommend reading this to learn how to adjust your derailleur.


3

Yes I test rode a Sora a few years ago with those thumb shifters - truly awful. My gut feel (I know Shimano well, but don't have direct experience of this groupset) is that one is a direct replacement for the other, but the only evidence I can find to back this is a review on Amazon. For sure there'll be no problems shifting, because you're staying at ...


3

For that frame size, most likely 170mm, but you can measure from the centre of the pedal spindle to the centre of the BB: A popular online bike shop lists available crank lengths of 165, 170, 175, and 180. Presumably if you buy the bike "ready built" it will come with cranks chosen to match the frame size. But 165mm cranks are relatively rare outside of ...


2

Yes. Both shift 8 speed shimano clusters. The spacing on 8 speed clusters has stayed the same since they first came out. So any 8 speed shimano compatible shifter is a replacement for any other.


2

Derailer adjustment is easy - at least in theory. When it comes to fine adjustment you may find that you cannot easily get this problem fixed without making something else worse - i.e. its a compromise. Its a good opportunity to learn how to adjust derailers- make adjustments slowly, one step at a time, and count the turns so you can go back to the start if ...


2

According to Shimano's website, they are non-series components. However, some websites such as this one claim they are Ultegra quality (This wouldn't surprise me with Colin's answer). In any case, none of the Shimano long reach calipers are part of a series anymore. That being said, TRP (e.g. RG957) among others still make high quality long reach calipers ...


2

Actually I think you will find they are Ultegra, circa something like 2009. Since the technology trickles down you will find that they look like modern 105's. Take a look at the CRC product listings for examples of both the modern Ultegra and the old BR-650. http://www.chainreactioncycles.com/brakes?f=2259 Note: the 2009 is a guess based on ...


2

No, these brakes have nothing to do with Ultegra. A lot of unscrupulous Ebay sellers put unrelated keywords into the title to get more search hits. It's against Ebay rules, but it's pretty widespread, unfortunately.


2

Spokes on any wheels can break ... really comes down to how well they are built, the weight they have to carry, i.e., carrying more weight than they are designed for and the type of riding they are exposed to. The Shimano WH-R500 wheels are lower specification wheels and I suspect the Alex ALX-295 are much the same. That said I believe the Shimano wheels ...


1

I'm going with the KMC X10 line of chains, in particular, the KMC X10.93 chain, looks like around $25, as my "one chain to drive them all" for my 9 and 10 speed rear derailleur bike collection of Shimano drive train bikes. After it arrives, I'll post an update with the experience-based results on my 9 speed bikes.


1

83mm bottom brackets were designed specifically for use with a 150mm rear dropout width. You would be able to shim the bottom bracket across 5mm to bring it to where it would sit on a 73mm bb to align the chain line but you would be pushing your non drive out 10mm which would have an anatomical impact on the rider. This is a significant amount of q-factor ...


1

That comes down whether the internal mechanism of the different Nexus 3 hubs are the same or not. My guess is they are the same. Some options for you: I had a similar issue with a Nexus 8 hub. In the end I checked with a Shimano approved service center in near me (looked up on Shimano's page). I talked in person to the mechanic, and he knew which would ...



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