Unanswered Questions
41 questions with no upvoted or accepted answers
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Chain goes slack in gear 5-10 and very noisey hum
When I’m coasting downhill >35 kph and chain is in gears 5-10 and I hit a bump the chain goes slack, a very loud irritating hum/vibration sound is emitted from the rear wheel until either I pedal ...
- 11
1
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144
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Chain creaks under pressure
Just adjusted my back derailleur and now the chain makes a loud creaking noise while under pressure. When on a repair stand the shifting is perfect but while biking it’s horrible and the sound & ...
- 28.4k
1
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178
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Can i use claris R2000 rd on 14-34T mega range sprocket?
I have sprocket 14-34T with mega range. I planned to change my old (maybe 1990's) shimano tourney rd to shimano claris R2000 medium cage. Some of my local bike shop said that i can replace with claris ...
- 51
1
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223
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Direct mount rear derailleur
I'm upgrading an old MTB for commuting, it had a 5 speed on the back but I'm going to be putting on a new 26" rear wheel with a 7 speed cassette because the freewheel axle wobbles, makes noises ...
- 328
1
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91
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Campagnolo rear mech screw type
My limit screws' heads have gone rusty, I want to replace them for looks and to make sure they are easy to adjust on a ride. I would love hex rather than Philips heads!
Does anyone know the type of ...
- 12.9k
1
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0
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906
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What is the thread size/measurement of the derailleur barrel adjuster?
The barrel adjuster threads on my commuter bike's RD have been marred when the barrel adjuster got bludgeoned on a side crash and I want to chase the threads before screwing in the replacement barrel ...
- 1,305
1
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298
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Can't get in first gear on Shimano ten speed block
Just replaced drive chain on mtb ... new cassette (Shimano 10 sp ) new chain (Shimano 10sp) new rear mech (Shimano 10sp long) and new (Shimano 10sp). I've set bottom stop tensioned cable and adjusted ...
- 75.8k
1
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0
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789
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SRAM eTap rear derailleur chain drop issue
I’m having an issue with my chain falling off the lower pulley wheel when (1) I hit a significant bump or (2) shift from large ring to small ring. But only in cogs 6, 7, 8. Any suggestions? I’ve ...
- 5,698
1
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374
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Need some help with suspension on Mongoose Salvo Comp FS
I'm 14 years old and have been riding for a year on a Mongoose Salvo Comp full-suspension that was bought second hand and in perfect condition.
The bike is great but after riding a friend's bike, I ...
- 11
1
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1
answer
69
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Compatibility question
I was wondering on a mountain bike what rear derailleurs work if have a 21 speed bike.
Additional information: 7 ring rear cassette and 3 in the front
Will an 8 and 9 speed rear derailleur work or ...
- 13
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16
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Shimano Ultegra 9500 set rear mech skips 8th gear
I'm riding a stock Schwinn fastback road bike from around 2004 that came with a Shimano Ultegra 9500 set, with 2x9 speeds. I have never messed with the derailleurs as they've always worked fine. The ...
- 5,202
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167
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Replacement pulleys for Shimano Deore XT RD-M739 SGS derailleur (8sp)
Wondering what replacement pulleys I should get for this type of derailleur.
All details of the derailleur can be found here: https://velobase.com/ViewComponent.aspx?ID=4f90a749-6254-4a37-840d-...
- 183
0
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62
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My derailleur doesn't go from gear 1 to gear 2 by itself but the rest does
The derailleur doesn't go from gear 1 to gear 2 by itself so I have to manually push it, it works perfectly fine shifting from 2 to 7 but when I try to change the gear to 8, it stays on 7
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71
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My bike won’t change out of first gear
NoI’ve tried changing the looseness of the H and L screws but my great problem remains the same. It won’t change out of first gear even when I manually put it into another gear. The back derailer is ...
- 5,202
0
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315
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Which currently available rear derailleur would work as a replacement for a Schwinn Boundary 29 Pro Shift?
I would like to change my rear derailleur. I have a Schwinn Boundary 29 inch, Pro Shift. I am not sure what year. Which currently available derailleur would mount up to the frame and operate correctly ...
- 128k