Shimano R9100 Dura-Ace 11Spd 11-25T Cassette headphones With geometry that is less

With geometry that is less focused on racing and more on enduring

The charging port has been relocated to the rear of the headphones for easier charging access

Magnetic holders

the FBF combines extreme cornering capability

Dimensions: Width 100mm / Length 105mm

Shimano R9100 Dura-Ace 11Spd 11-25T Cassette headphones With geometry that is lessMatch 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