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10 votes
2 answers
838 views

Do I need to get a replacement bike for this broken chainring?

I wanted a cheap commuter bike, and just received this bike from Amazon. I have little knowledge about bikes, but looks like the middle chain-ring is broken to me. Is this indeed broken, or is it ...
Sumod's user avatar
  • 203
5 votes
3 answers
2k views

Replacing a chainring - what did I do wrong?

TL;DR I thought I could figure out repairs myself but clearly I'm a moron. I replaced the chain and chainring on my fixie last Saturday, and this morning it got scary loose on me. I started to feel ...
User1000547's user avatar
4 votes
1 answer
250 views

I can't track down the source of chain skip - what might it be?

Last summer it come to light that my bike is suffering extremely bad chain slip, to the extent I feel it is unsafe. From what I can tell, it only happens in the 50t ring, and the 34 may be ok, but it'...
Dan M's user avatar
  • 41
3 votes
2 answers
118 views

Shift lever can’t move cage to large chain ring. Shimano Ultegra 11 speed hydraulic

The large lever can’t be moved more than a short distance to where it would normally start moving the cage but won’t move any farther. It doesn’t move the cage at all. Something in the shifter is ...
Chuck White's user avatar
1 vote
2 answers
4k views

Are aluminum or steel chainrings more resistant to bending?

I mash a lot and wind up killing chainrings. I later find that my chainring warps at the midpoint between two chainring bolts. Usually my first sign that something is wrong is my chain pops off or ...
Benzo's user avatar
  • 18.3k
1 vote
1 answer
2k views

Truvativ Firex chainset replacement middle 32 tooth chainring & bolts

I have a Truvativ FireX chainset from 2008ish, I'm looking for a replacement middle chainring however, no shops seem to stock replacements for Truvativ chainsets. Just wondering if anyone has any ...
gmn's user avatar
  • 133
0 votes
0 answers
181 views

Bicycle pedaling resistance on single speed e-bike

Recently, I've bought an ebike that is about 2 months old now, I've maybe gotten 100-150 miles off of it as a daily commuter. When I pedal, it would have a lot of opposing force or friction, and ...
Computer's user avatar
  • 101