MAHLE SmartBike Systems X20 Ebike Hub Motor - Class 1, 20mph, 55nm, 28h Straight-Pull, 12x142mm Thru-Axle, Cassette Body Not IncludedThe 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. Product Specifics Today's Stock Status