Galets de Dérailleur Arrière 11V SHIMANO ULTEGRA 6800 Drop it features angled knobs minimising

it features angled knobs minimising rolling resistance and grooved knobs ensuring excellent traction

and is compatible with SHIMANO cranksets featuring Hollowtech II construction

With the new exclusive X-Miles rubber compound

offering simplicity and reliability thanks to the absence of a front derailleur

and holds ASTM certification for DH

Galets de Dérailleur Arrière 11V SHIMANO ULTEGRA 6800 Drop it features angled knobs minimisingThe SHIMANO Ultegra 6800 6870 11 speed rear derailleur pulleys allow you to replace your worn pulleys to maintain optimal performance of your 11 speed derailleur. This high end pulley set, consisting of a tension pulley and a guide pulley, features two high precision sealed bearings that facilitate power transfer and prevent friction.