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Questions tagged [shimano]

Shimano brand bicycle components. (No need to use if Shimano is an incidental part of the question.)

Shimano, Inc is the largest manufacturer of bicycle components in the world for road, mountain, hybrid, and touring bicycles.

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Shimano R7020 shifter broken - no audible click when shifting

I have had the shifters for about a year and they have only been used moderately on my road bike. I was changing gear prior to putting it on the turbo when the right long shift lever went 'slack'and it would not change gear any more when trying to…
BigErnie
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Why are some chainrings specs appended with an 'a' or 's'

Shimano 22s x 32s x 44a Why isn't that 22x32x44t ? What does the 's' and 'a' stand for in this case
kashahkashah
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What do the numbers of shimano components mean?

Shimano components have numbers, presumably to denote quality. E.g. Dura Ace stuff has numbers like 7700, 7800, or 7900. An Ultegra might have 6700 or 6800 on it. A 105 might have the number 5600 or 5700 attached. Obviously the first number…
Darth Egregious
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Shimano Ultegra vs Shimano Sora

I currently own a 2013 steel cyclocross bike that I use for daily commuting (approximately 1 hour per day). The model I have is equipped with a Shimano Sora groupset. I am considering moving to a steel road bike, and am looking at a used 2011 model…
MM.
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Can Shimano Tiagra 9 speed levers (ST-4500) be used with 105 brakes (BR-5700)?

I want to replace the non-Shimano rear brake that came with my bike with either Shimano 105 (BR-5700) or Tiagra (BR-4600) brakes, preferably the 105 model. The Shimano compatiblity chart says the 10 speed Tiagra (ST-4600) levers are compatible but…
Sixto Saez
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Can I use a 9sp chainring set on my MTB which has a 8 speed Shimano CS-HG70 Cassette

Just installed the CS-HG70 cassette and while doing some tuning, noticed that my chainring is no longer true, especially around the crank so am thinking about replacing the chainring set but can not find a decent 8 speed set but see a lots of 9…
Nash04
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Upgrading 3x9 to 1x12 Shimano

I have an old 26" hardtail that I want to convert to Shimano SLX 1x12 (M7100) from its current 3x9 drivetrain. As the new 1x12 uses a micro spline hub, I am thinking of changing my rear hub from M475 to FH-MT500 (micro spline QR 135). Would I be…
WebNovice
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Lower gearing with 15 year old Shimano Ultegra

My wife adores her 15 year old Giant TCX Composite (size 44!). Arthritis means no getting out of the saddle for hills. We've got the standard 52/38 up front and a slightly larger 11/26 at the back. A lot lower gearing is needed. I had SRAM PG990 (I…
Henry Barber
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I just got a western flyer bike... want some background information?

I went to the Salvation Army today to find an old Western Flyer bike for $20. Being the college student I am, I couldn't resist such a deal. So far my roommate and I are getting it fixed up and it's in good condition. I was wondering if I could get…
Kyle Hotchkiss
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66 yo female road bike rider needs advice on THE BEST CLIMBING components/groupsets available!

I'm a 66 year old female rider with a heart condition on a Waterford road bike, currently using Shimano Ultegra 6703 Triple 10 sp chainset-170mm 52-39-30T and find that since I've moved to the Smokies, it isn't enough. I love riding and don't mind…
k.Bacon
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Changing Ultegra 6800 170mm cranks to 160mm?

Following a TT Bike Fit I have been advised to change from a 170mm crank length to 160mm. I currently have a near immaculate Ultegra 6800 53-39T 170mm fitted and I am trying to identify the simplest and cheapest way of solving this. I believe that I…
Trekking Tracey
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Bash guard / chainring guard for asymmetric cranks

Short version: Where can I purchase a bash guard / chainring guard for 110 BCD asymmetric 4-bolt used by SHIMANO GRX Gravel Crankset FC-RX600-10 46-30T? Long version: I recently purchased SHIMANO GRX Gravel Crankset (2x10-speed FC-RX600-10 46-30T,…
VCD
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Shimano GRX Left 2X lever with dropper post

Has anyone run a dropper post with the GRX 2X left lever? Intuition tells me it won't work since it'll click into the next "gear" and get stuck there, without being able to return. I can get by for now with a solid post, but would like to know if a…
PatrickL
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Proper use of shimano chain measuring tool

I bought a TL-CN42. The instructions are vague. I inserted the double toothed end between 2 rivets. The single toothed end then rests on another rivet, BUT if I push down lightly, it will go between rivets. Is it time to replace? This is a 9.5…
Fourester
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Can I use a 11-23 11-speed Shimano cassette with the RD-R8000 11-speed Ultegra Shadow rear derailleur (short cage)?

I would like to know whether I can use a 11-23 11-speed shimano cassette with the RD-R8000 11-speed Ultegra Shadow Rear Derailleur (short cage). I ask this question because I see the new 11-speed Shimano cassettes no longer come in a 11-23…
Alejandro
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