Shimano GRX RD-RX810 Rear Derailleur - 11-Speed, Long Cage, with Clutch - OUT OF BOX Apparel_Knee Warmers Forged alloy pillar style seatpost

Forged alloy pillar style seatpost without clamps

It comes in numbered double-packs

Lightweight glass fiber–reinforced nylon soles deliver efficient power transfer to the pedals

5% and aren’t affected by climate conditions during a ride

Mini Closed Back Scoops have more surface area than any other similar arm cup on the market

Shimano GRX RD-RX810 Rear Derailleur - 11-Speed, Long Cage, with Clutch - OUT OF BOX Apparel_Knee Warmers Forged alloy pillar style seatpostThe Shimano GRX 11 speed rear derailleur has an integrated chain stabilizer mechanism, that provides a quieter experience, shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON OFF switch for the chain tensioner. The Shimano Shadow RD+ adjustable chain stabilizer provides silent and uninterrupted rear shifting on rough terrain. Adjustable Shimano RD+ chain stablizer prevents chain slapping and