Road Bike Cassette Torque

That s pretty darn tight though not as tight as campy with a 50 n m specification.

Road bike cassette torque. Assuming there were no locknut then when fitted on the bike the cassette would be clamped in place by the q r. Use a torque wrench torque to 35 ft lbs. Bike shops mount the tool in a vise turn the wheel but if you haven t installed about 50 cassettes use a torque wrench. The largest sprocket on a road bike cassette is generally smaller than those on mountain bikes providing smaller jumps between gears.

Expert road bike reviews and the latest road bike news. The best cycling torque wrenches. Torque wrenches available to general industrial work including bicycle work are typically accurate to plus or minus four percent. There are basically three types of torque wrenches the beam type the click type and the dial type.

We put 17 models to the test. If anything pedaling action will tend to loosen a lock ring that was not properly torqued. It s not like you re putting any tightening torque on the lock ring due to pedalling action. Cassette sprockets slide over these splines.

Mountain bike levers avid built in clamp 4 5 6 8 nm 40 60 in lbs avid strap type 3 2 4 1 nm 28 36 in lbs cane creek 6 9 nm 53 80 in lbs shimano 6 7 8 nm 53 69 in lbs sram 3 4 nm 30 in lbs upright bar levers campagnolo 10 nm 89 in lbs shimano 6 8 nm 53 69 in lbs. In other words a torque wrench set for 100 in lbs might tighten to 96 in lbs or 104 in lbs. Iirc 35 n m is the specification for shimano cassette lock rings. But when there is a locknut of course the q r clamps against the locknut.

The cassette hub uses a freehub system which is a type of clutch mounted to the body of the hub. The best cycling torque wrenches. Most road bike cassettes have an 11 12 or 13 tooth smallest sprocket then between 21 and 32 teeth on the largest sprocket. Calvin demonstrates how to remove and install cassette cogs and choose the correct lockring tool.

Power is a derived number made up from the multiplication of torque and cadence says brian taylor. The freehub body has a series of splines on the outer shell. It won t come loose. This cylindrical mechanism ratchets counter clockwise for coasting and locks clockwise for driving the bike when pedaled.