Shimano GRX RD-RX812 Shadow+ 11 Speed Rear Derailleur - Rear Derailleur - 11 Speed - Black - Mid Cage - 42T Max Replace Images Who's this item for: These

Who's this item for: These short sleeve jerseys are a great choice for Trail

On sandwich and hamburger models there is a new black hard density compound that is more resistant to big impacts and shares the impact to a wider area of the lower density foam

Cons: Would be great if you could replace all the pins

make the Arch MK4 your best choice for all-around riding

which fit underneath the peak when not in use

Shimano GRX RD-RX812 Shadow+ 11 Speed Rear Derailleur - Rear Derailleur - 11 Speed - Black - Mid Cage - 42T Max Replace Images Who's this item for: TheseWith an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain tensioner. The RD RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max.