Shimano GRX RD-RX820 replacement pulley wheel set
Specifications
Rear speeds 12
Compatible chain HG 12-speed
Pulley|Teeth 11/13T
Mfr Claimed Weight
TBC
Shimano GRX RD-RX820 replacement pulley wheel set
Specifications
Rear speeds 12
Compatible chain HG 12-speed
Pulley|Teeth 11/13T
Mfr Claimed Weight
TBC