Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x CheckoutSpec= Replacement pads for carbon rims

Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x CheckoutSpec= Replacement pads for carbon rimsShimano GRX RD RX817 Rear Derailleur 11 Speed Long Cage Black With Clutch Di2 For 1x. GRX RD RX815 Di2 Rear DerailleurOperates with Shimano Di2 for digital electronic shifting Gravel tuned clutch tension provides smooth and reliable mixed surface shifting TECH SPECS Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Der Shifter Compatibility Shimano Road Di2 Cage Length Long Drivetrain Speeds 11 Weight 318 Color Black Chain Wrap Capacity

Headlamp powers ON with ignition switch

The K-force WE system is perfect for triathalon and/or time trial riders who want advanced technology without the bulk

Jabber threads into EDC tool and fits into all V1 and V2 EDC tool capsules

Cassette Body Type Shimano Micro Spline Color Black Defined Color Black Hub/Brake Compatibility Center-Lock Disc ISO Diameter 622 / road / 29" Rear Axle 12mm Thru x 148mm Rim Width (Internal) 30 Tire Type Tubeless Ready Clincher Valve Presta Wheel Size 29"

240 hub with 36t SL ratchet system and ProLock Squorx ProHead spokes built with two-cross lacing

}RockShox Inner Sealhead - Reverb Stealth (B1) Reverb AXS (2020+)

Eagle PowerLock chain connector with FLOW LINK technology provides better chain-guiding and increased longevity

}Challenge Gravel Grinder Race Tire - 700 x 42 Tubeless Folding Black

}Avid FR-5 Lever Set Silver/Black

Helix R cranks can achieve boost and super boost chainlines with their flip-flop chainrings (Sold Separately)

5 C: Down Tube Length (IN) 24

}Fox Transfer Lever - Universal