Five Ten Trailcross Mid Pro Flat Shoes Mens Orbit Green Core BLK Pulse Lime 8 CheckoutSpec= Single Sided Lock On The EX1 drive train was The EX1 drive train was designed specifically for the demands of electric assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads Spoke Interface J Bend Skewer Included No Defined Color Black Rear Axle 12mm Thru x 148mm Hub Drilling 28 Bearing Type Sealed Cartridge Color Black Hub Brake Compatibility 6 Bolt Disc Cassette Body Type SRAM XD 11 12 Speed Midsole is flexible enough for walking and stiff enough for efficient pedaling padding: 8px