Shimano GRX RD-RX822 1x 12 Speed Rear Derailleur Size:Medium Cage Effective Rim Diameter 604 |

Effective Rim Diameter 604 | 599

the frame bags ST2012

It’s incredibly lightweight—approximately 201 grams (250 length) for road bikes and 228 grams (330 length) for mountain bikes

The PRO Bottle Cage Carbon is a lightweight UD carbon bottle cage

Shifting under load is made possible on the GX cassette through a combination of X-SYNC technology and cassette mapping

Shimano GRX RD-RX822 1x 12 Speed Rear Derailleur Size:Medium Cage Effective Rim Diameter 604 |Enhanced 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