Mountain Bike Cassette Loose

Tightening your bike cassette to the manufactures specifications will increase shifting performance and decrease noise while pedaling. Inspected the cassette and hub and don t see anything out of the ordinary. Instead mountain bikers can run double or even single chainsets reducing weight clutter and the frequency of mechanical problems.

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Wiggle s best selling 10 speed mountain bike cassette is the shimano hg81 slx 10 speed cassette.

Mountain bike cassette loose. To tighten the cassette remove the rear wheel from the bike and unscrew and remove the quick release skewer from the wheel. Putting a spacer behind a cassette is nothing new. A few years ago i traced a noise to a loose cassette that i had recently mounted on an older wheel. 700 mountain bikes definitely don t.

A discerning ear will hear an extra ta donk noise as the rider begins to pedal. Shimano cassette a bit loose on rear cassette hub. If it moves even a little bit it s loose. The cassette is held to the bike by a lock ring and encases the main skewer or thru axle on one side of the bike.

Borrowed a buddies chain whip and cassette tool and pulled it of. Doubt this had anything to do with the 9 10 mix but i guess it could have. Shim space fixed the cassette. 700 mountain bike components don t have perfect fit tolerances.

It s easy to diagnose a loose cassette hold the rear wheel in one hand and the cassette in the other and slide it along the axle. A loose cassette stack causes poor shifting and increases wear to the freehub splines. First thing i did though is check the lockring tightness and i could easily tighten it more so i think it was just loose. Different size sprockets in the cassette provide different amounts of force need to propel the mountain bike of course putting different amounts of force to the wheel itself.

The hub was a shimano fh 6402 which was the first ultegra level 8 speed 130mm old freehub prior versions were 7 speed 126mm spacing. Just encountered a bike today that had a mix of 9 speed and 10 speed drivetrain components and inspection showed a loose cassette it was a 10 speed. Well looks like it may have just been a loose lockring hopefully. Ken hiatt jul 24 13 at 4 59.

Fwiw those grooves on the freehub body are usually called splines. A loose cassette will wear the spines of the hub and lead to. Watch and learn how to. Now 10 speed mountain bike cassettes come in sprocket ranges such as 11 32 11 34 11 36 and 11 42.