The Shimano R9100 11-Speed Cassette is part of the brand new R9100 Dura Ace range. Replacing the 9000 as Shimano s flagship groupset, the R9100 offers improved weight, exciting new features and superior performance. The R9100 is a super lightweight HG-EV cassette with a ridged carbon and alloy carrier to provide excellent shifting even under the most demanding gear changes, Hyperglide EV sprockets with a computer designed tooth configuration and contoured shift gates to ensure crisp and smooth shifting even under load and a close ratio gearing to allow for a more efficient use of energy through finer cadence control. The sprockets are all extensively cut away and drilled to reduce weight, the...
Best Price: £206.99 from Tweeks Cycles