MAHLE SmartBike Systems X20 Ebike Hub Motor - Class 1 20mph 55nm 28h Straight-Pull 12x142mm Thru-Axle Cassette Body Not Included FC-M904 Crankset Compatible only with FD-4700 and

Compatible only with FD-4700 and FD-RX400 front derailleurs and RD-RX400 and RD-4700 rear derailleurs Rotor Included No Color Black Hydraulic Fluid Type Mineral Oil Brake Lever Use Left Rear Der/Shifter Compatibility Shimano Road Adjustable Reach Yes Adjustable Contact Point No Drivetrain Speeds 10 Defined Color Black Front Der/Shifter Compatibility Shimano Road Side Left Includes Disc Brake No

5mm 12-Speed 46/33t Yaw 107 BCD DUB Spindle Interface Black D1

Chainline is 46 mm on a triple and 48 mm on a double crank

6 Platform Dimensions 5

MAHLE SmartBike Systems X20 Ebike Hub Motor - Class 1 20mph 55nm 28h Straight-Pull 12x142mm Thru-Axle Cassette Body Not Included FC-M904 Crankset Compatible only with FD-4700 andThe MAHLE X20 Hub motor provides assistance in a compact unobtrusive package. The 36V 250W motor offers up to 55nm of torque to assist up to 20mph. This cutting edge system is designed for high performance Gravel Road and Cross Country bikes. The entire package when paired with the wiring and battery weighs in at just 3. 2kg and is drag free when switched off offering a normal riding experience when not needed.