Galets de Dérailleur Arrière 11V SHIMANO ULTEGRA 6800 No Hartje a perforated TRS coating protects

a perforated TRS coating protects the insert

The padding is made from Fizik's exclusive type 1 foam formulation for instant response and optimal power transfer

the pair of CAMPAGNOLO callipers provides maximum safety with precise and powerful braking in all circumstances

limite les mouvements inutiles et élimine les changements de vitesse intempestifs

Galets de Dérailleur Arrière 11V SHIMANO ULTEGRA 6800 No Hartje a perforated TRS coating protectsThe 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.