Unanswered Questions
81 questions with no upvoted or accepted answers
-1
votes
1
answer
90
views
Chain jumps up and down when freewheeling and back cog moves back and forward on my new bike
The chain jumps up and down when freewheeling. The chain sometimes jumps off the front cog. The cause it seems comes from the back cog going backwards and forward continually when I am freewheeling.
-1
votes
1
answer
1k
views
Apparently too much rear derailleur cable pull
I have a Deore XT RD-M761 GS medium cage derailleur on my touring bike that
seems to move too much per shift. It shifts the chain on a 11-30 8-speed
cassette with chainrings being 36/48 and the ...
-1
votes
1
answer
512
views
Rear derailleur is not working correctly
Having problems with the derailleur in an old Panasonic 10 speed.
When I shift the bike all the way up to 5th gear ( smallest in the back) the spring on the hanger of the derailleur has no tension at ...
-1
votes
1
answer
203
views
Why doesn't the cassette rotate when I backpedal?
I have an old bicycle where backpedaling causes the cassette to not rotate. Instead, the cassette stays still and the rear derailleur bends, providing new chain to go around the backpedaled chainring. ...
-1
votes
1
answer
2k
views
I can't push the Quick Release in - how do I fix it?
I have a Polygon bike at home and I have recently removed the rear wheel.
I had reinstalled the wheel but the Quick Release (QR) (?) but I can't seem to push it back no matter how much strength I use....
-3
votes
1
answer
254
views
How to adjust rear derailleur indexing in a mix-and-match drivetrain in the easiest manner?
I have a touring bike where the drivetrain has been built not according to Shimano's instructions. For example, the shift lever is SL-BS64-8 Ultegra 8-speed bar end shifter that according to Shimano's ...