SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black CheckoutSpec= Navy Blue 250W) Rear Axle 12mm Thru

250W) Rear Axle 12mm Thru x 148mm Cassette Body Type Shimano Micro Spline Color Black Skewer Included No Bearing Type Sealed Cartridge Designed for ebike Yes Defined Color Black Spoke Interface J-Bend Hub Drilling 32 Hub/Brake Compatibility 6-Bolt Disc

Hammer type TwinHead™ DX5 with longer lever for easier use works with Presta/Schrader/Dunlop valves

Vendor Sapim Manufacture Number GICR1430400 ZO--- SAP1104 Model Name CX-Ray Bladed Straight Pull Category Spokes

The smooth Corsa inspired center rolls fast while the side tread "scales" provide durable bite when cornering and braking

Designed to work with an XDR driver body Range 10-28 Cogs 10-11-12-13-14-15-16-17-19-21-24-28 Cassette Body Type SRAM XDR Drivetrain Speeds 12 Color Silver/Black Defined Color Black

SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black CheckoutSpec= Navy Blue 250W) Rear Axle 12mm ThruProfessional grade derailleur built with carbon fiber and aluminum featuring roller clutch pulley cage and cage lock feature for easy wheel installation. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies