Galets de Dérailleur Arrière 11V SHIMANO GRX RX810 SOFT-deperlant riders no longer need to

riders no longer need to ease off the pedals to make a gear change

this cassette must be fitted on a freehub body compatible with 11 and 12 speeds

Professionals use a similar combination in their tyres for Paris-Roubaix

Also noteworthy is the width and shape of the rim

Tailles Tour de poitrine (en cm) Tour de taille (en cm) Tour de Hanches (en cm) Taille (en cm) XS 88-91 70-74 89-95 165-178 S 92-95 75-80 94-100 173-188 M 96-100 81-86 99-106 178-190 L 101-106 87-92 105-110 181-195 XL 107-113 93-99 109-116 >185 XXL 114-121 100-106 115-121 >185 Mesurez votre tour de poitrine au niveau de la partie la plus forte de votre torse

Galets de Dérailleur Arrière 11V SHIMANO GRX RX810 SOFT-deperlant riders no longer need toThe SHIMANO GRX RX810 11V rear derailleur jockey wheels allow you to replace your worn jockey wheels to maintain optimal performance of your 11 speed derailleur. This premium jockey wheel set, consisting of a tension pulley and a guide pulley, features two high precision sealed bearings that facilitate transmission and prevent friction.