Shimano GRX RX812 Rear Single Rear Derailleur
- Great fro cyclo cross or gravel riding
- 11 x 1 speed
- Wide gear ratio compatible up to 11-42T
- For use with single chainset
- Weight: 267g (manufacturer quoted)
Supplied direct from us here at Paul Milnes Cycles and ready to ship. We have been trading since 1978. We specialise in road, cyclocross and gravel. We offer customers online prices with the knowledge and backup of a shop.