Mountain Bike Cassette Spacer
If you have an old cassette that you don t need anymore.
Mountain bike cassette spacer. This post will explain bicycle cassette compatibility i e. Although i ve never seen this problem on a mountain bike only on road bike wheels. Sometimes a spacer will be found on the back side of the old cassette. What cassettes can be mixed with which rear shifters derailleurs for compatibility with various chains see.
Overview of compatibility and possible combinations will be given according to the number of sprockets. The 1 0mm spacer is used if you are using a 10 speed cassette the 10 speed cassette actually being narrower than the 9 speed. Speeds rear sprockets. I personally don t bother with the 1 0mm spacer on my 10 speed equipped bikes but do use the 1 8mm spacer on my mavic 11 speed freehub wheels.
As of 2018 fatbikes and disk brakes have led to a several new standards. You can use this method to adapt an older 7 speed freehub in which splines are usually 30 31mm. Aecreative 10pcs bike bicycle 7 8 9 10 11 speed cassette freehub spacer 1mm 1 5mm 2mm 2 5mm 3mm bottom bracket washer bb. It involves mounting a 4 5mm spacer onto the hub.
Remove the old cassette. Wiggle s best selling 10 speed mountain bike cassette is the shimano hg81 slx 10 speed cassette. The problem of disk brakes pulling the hub out of the front dropouts see james annan s article has been addressed with through axles which insert into a fork with a hole rather than a slot at the end of each blade also see our article about disc brakes for information on disc brake issues. In this case you would have to use a spacer to fit any newer mtb cassette.
If you will be reusing your old cassette then this spacer along with the old sprockets can be tied or zip tied together as to maintain their original order and keep them all together. Cs m7000 11 slx 11 speed mountain bike cassette 11 42. Instead mountain bikers can run double or even single chainsets reducing weight clutter and the frequency of mechanical problems. I show what you need to do to mount a 7 speed cassette on to a bike wheel hub designed to fit 8 9 or 10 speed cassettes.