What torque should a bottom bracket be?
Got Torque?
Bottom Bracket | |
---|---|
300-360 lb/in (32.9-40.7 Nm) | |
With double pinch-bolts, gradually loosen or tighten, alternating between bolts as you do so | |
Other | |
with a single 6 or 8mm bolt on each arm | 350-435 lb/in (39.5- 49.2 Nm) |
Do I need torque wrench for bottom bracket?
You’ll need a BB tool for the BB, no torque wrench needed. For the crank arm, just make it hand tight with an allen key/wrench and it’ll be close enough.
How much torque should a crank bolt have?
Registered. Most square taper crank arms should be 29 ft-lbs. That is pretty darn tight.
How much torque should my axle have?
The axle works like a screw, and the handle works like a wrench to tighten the screw. To secure a wheel: Instead of flipping the lever to close, you simply rotate the handle until fully tight (Figure 4), a minimum of 15 Nm.
What is torque nm in bike?
Torque of 100 Nm (Newton-meter) means that at a 1 meter radius a force of 100 Newton can be applied, which is the same as being able to apply a force of 73.7 pounds at a radius of 1 foot. Nm (Newton-meter) is the metric unit for Torque.
Do you need a torque wrench for cranks?
Re: Do I really need a torque wrench for cranks and BB? No. Try not to overdue it with extender bars. Good solid pressure on a conventional wrench or 12″ shifter should be more than enough.
Can you over tighten crank arm?
Yes, it is possible The bigger problem with over tightening a square taper is that crank arm can be deformed to the point where it will not stay tight. I always use a torque wrench when tigtening crank bolts to avoid over tightening.
How tight should MTB rear axle be?
You want your rear axle very tight. 150 in/lb is about standard. If it is not tight it will allow the rear wheel to move around and it ties your rear triangle together. Basically the whole back of the bike will feel sloppy.