Ritchey WCS Zeta GX Disc 700c/650b Wheelsets Cassette Body Type:XDR GRX ST-RX810 Shifter/Hydraulic Brake LeverGravel

GRX ST-RX810 Shifter/Hydraulic Brake LeverGravel inspired Dual Control shift/brake lever and bracket ergonomics

Versatile option for bikes with multiple bottle cage mounts

8" inseam (size Large)

Tektro R559 Road Caliper Brake SetsQuick release mechanism with lock device designed for big tires Brake Lever Actuation Short Pull Brake Type Road Caliper - Long Reach - 55-73mm Brake Position Rear Brake Mount Type Long Reach Caliper (55mm - 73mm) Pad Type Cartridge Defined Color Black Position Rear Mount Type Nutted Mounting Bolts Reach Standard Color Black

Ritchey WCS Zeta GX Disc 700c/650b Wheelsets Cassette Body Type:XDR GRX ST-RX810 Shifter/Hydraulic Brake LeverGravelHand built wheels are tubeless ready and feature the new WCS hub with sealed bearings, and center lock rotor mounts Rear hub houses a precise Ratchet Driver system with 360 degree, 36 point engagement The rims offer a wide diameter to fit wider tires for gravel, and they're laced with 28 sturdy spokes Rear Axle 12mm Thru x 142mm Rim Width (Internal) 25 Cassette Body Type Shimano HG 11 12 Speed Road, SRAM XDR Front Axle 12mm Thru x 100mm Valve Presta