Shimano altus hg31 8 speed mtb cassette
Shimano altus hg31 8 speed mtb cassetteclose ratio 8 speed sprocket cluster up to 30teeth low gear results in a wider range of gear choices and a lower bottom end features hyper glide sprocket design special 8 speed hg sprocket design insures fast and positive shifting chain compatibility 332 weight 315ga 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products buyshimano componentsfrom chain reaction cycles the worlds large