All Questions
4
questions
8
votes
1
answer
696
views
Why did Shimano change their rear derailleur design going from a torsion spring to a tension spring inside the parallelogram?
The older Shimano rear derailleurs (pre 7700) use a torsion spring inside the parallelogram. But with the release of the 7700 group they switched to a tension spring which they continued using ever ...
- 733
0
votes
1
answer
276
views
Should I Upgrade my MTB Rear Derailleur? (After Crash)
I mashed my 8 speed Shimano Acera rear derailleur in a crash over the weekend and need to get it replaced. Is it worth spending a little extra money and installing a slightly higher-end derailleur, ...
- 3
6
votes
2
answers
2k
views
What are the long-term effect of riding with a chain that's too short?
I bought my bike late November 2017, and have been riding it with the same chain ever since. I've only done very light riding with the longest rides I've ever done amounting to 60km. Last week, I took ...
- 397
2
votes
1
answer
2k
views
9sp/10sp compatibility in Shimano SLX drivetrains
This is related to my previous question about SLX chainrings.
I'm half way through upgrading my drivetrain from 2x9 to 2x10. I currently have:
Shifters: SL-M670-I (10sp),
Chainset: FC-M665 (9sp ...
- 4,021