Shimano R9100 Dura-Ace 11Spd 11-25T Cassette specializedblackfriday25 If you keep using round

If you keep using round ring then others will get quicker

CNC machined 6016-T6 aluminum

spindle design

Direct mount option depending on the frame design

the ViZ150 stands out with high visibility from OptiCube™ lens technology and Daytime Hyperflash™ mode in an economical package

Shimano R9100 Dura-Ace 11Spd 11-25T Cassette specializedblackfriday25 If you keep using roundMatch your riding style as well as your chosen terrain with Shimano's lightweight Titanium Dura Ace CS R9100 11 Speed Cassette. New combinations of gearing options have been added including expanded choices for gearing appropriate to wheels, climbers, and the punchers who demand the best of both worlds, but the cassette's feathery construction combination of titanium and nickel plated steel cogs (along with alloy and carbon carrier) remain tried, true