SHIMANO Dura-Ace Cs-R9100 11-Speed Cassette size:11-25 reduce chain noise & friction

reduce chain noise & friction

Zinc-alloy plated outer link surface treatment

and progressive geometry honed on technical World Cup courses can all be found in the Chisel

FREEWHEEL 9 Tooth Driver with Hub

BBBall bearing

SHIMANO Dura-Ace Cs-R9100 11-Speed Cassette size:11-25 reduce chain noise & frictionShimano's groupsets often often miss call outs for European elegance or relentless pursuit of weight loss at all cost and innovation for innovation's sake, instead earning their loyal following through the incredible dependability and meticulous engineering of the Dura Ace CS R9100 11 Speed Cassette. 9100 isn't a typo there, it is, in fact, a newly reworked version of Dura Ace. When the brand introduces a new groupset, you can be sure it's actually