Shimano GRX RD-RX822 1x 12 Speed Rear Derailleur Size:Long Cage The kit also comes with

The kit also comes with an air hose just in case you need to add more CO2 or simply want to use the tool as an inflator

and the strap is easy to attach on your clothes

designed to embrace any elements you throw their way

It weighs only about 30 grams more than the comparable Ultegra model

training and touring

Shimano GRX RD-RX822 1x 12 Speed Rear Derailleur Size:Long Cage The kit also comes withEnhanced chain security and quieter shifting for gravel riding. With an integrated chain stabilizer, the Shimano GRX RD RX822 1x 12 Speed Rear Derailleur delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON OFF switch for easy wheel removal. Features RD RX822 GS rear derailleur with medium cage is compatible with 10 45T, 12 speed Shimano MTB cassettes, keeping you in the optimal cadence through