Shimano STEPS SM-DUE11 E-Bike Speed SensorWith a mountain bike (MTB) dedicated design and a robust, durable platform, this unit is ready for the trails. It also has more space for wider tyres too, making it compatible with E-MTBs with “plus” sized tyres. Simple to fit, this model plugs into the drive unit of your E-Bike’s motor and combines with the magnet on your bike’s disc brake rotor to determine your bike’s moving speed.Features: Shimano’s STEPS DUE11 Speed sensor unit E-tube cable length 760mm For use with disc rotor mounting type Plugs directly into drive unit MTB-dedicated design Compatible with both the E8000, E7000 and E6100 series drivetrains Manufacturer’s Code: SMDUE11AA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.