What is the torque for SRAM chainring bolts?
54 N*m
Remember that most Sram cranks are torqued to 54 N*m and you will need more leverage than your typical multi tool. Continue to loosen the 8mm bolt to back the crank arm off of the crank spindle.
What torque should chainring bolts be?
Chainrings
| Component | Brand | Newton meters |
|---|---|---|
| Chainring bolt (steel) | Truvativ® | 12.1~14 Nm |
| Chainring bolt (aluminum) | Shimano® | 5~10 Nm |
| Truvativ® | 8.1~9 Nm | |
| Chainring spider to crank arm | Shimano® | 50~70 Nm |
Why is my crank wobble?
A common reason for wobbly pedals is a loose or damaged bike crank. The screws that attach the crank arm to the crank and to the pedals can be knocked loose when the bike falls. Or they can loosen over time. The crank can become damaged if you pedal while it is loose.
Should I use loctite on chainring bolts?
Chainring bolts don’t need much torque and they rarely come loose (i’m inclined to say never). Loctite will just make removal more difficult, and generous coat of grease will prevent corrosion just fine in practice.
Why does my crank bolt keeps coming loose?
If you’ve been repeatedly riding with a loose crank arm it could be that it’s now damaged. You could try tightening with lots of torque, grease on the square taper and threadlocker (e.g. blue Loctite, but in a pinch any kind of glue works) on the threads.
How long do SRAM Eagle chainrings last?
If I would be you I would buy a Sram Eagle steel chainring. I’ve only seen very good reviews in the german forum about them. They last over 10000 miles and are cheap too.
How do you know when chainrings are worn?
“An inner chainring is considered worn when a clean new chain starts to chain suck [when doesn’t release well at the bottom of the chainring) and an outer chairing is considered worn when it is very rough running or the shifting is poor or inconsistent. It is somewhat of a judgment.
Why do my crank bolts keep coming loose?
How tight should crank bolts be?
Registered. Most square taper crank arms should be 29 ft-lbs. That is pretty darn tight. As has been mentioned, if it came loose, the crank arm is likely damaged beyond repair already and needs to be replaced.