SHIMANO XT M8100 12V CASSETTE 10-51
The XT M8100 cassettes are made of aluminium and steel. The 2 largest rings are aluminium to hold the weight, whilst the other 10 are made of steel for greater durability. The cassette is made in 2 parts, the 7 largest rings are fixed on an aluminium star, the other 5 are free moving.
- MICROSPLINE Standard
- Weight: 470g