NEW Shimano 105 CS-R7101-12 Cassette - 12-Speed, 11-34t, HG L2, Silver assembly a natural fiber derived from

a natural fiber derived from the agave plant

the ADVENT X cassette allows riders to shift less often to find the right gear

A round rearview mirror with unique pivot design that offers infinite angle adjustment

Shifters: Shimano Dura-Ace Di2 ST-7970

Suspension fork and dropper post compatibility let you get wild with your route choices

NEW Shimano 105 CS-R7101-12 Cassette - 12-Speed, 11-34t, HG L2, Silver assembly a natural fiber derived fromShimano 105 CS R7100 series 12 speed cassettes bring versatility to any rider or road. From sprinting on the flats to climbing steep inclines, these 11 34t cassettes have you covered. Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation Compatible with new 12 speed and road 11 speed freehub bodies Compatible with HG 12 speed chain