FSA Energy Stem 31.8mm x 120mm ±6° Rear Derailleur And a smart interchangeable rack

And a smart interchangeable rack and rail system lets you pick and choose from dozens of possible configurations to suit the mission

Compact and low profile for MTB riding the Shimano STEPS SC-EM800 wireless cycle computer shows the various functions of the Shimano STEPS Ebike system and can be customized through the E-TUBE PROJECT application

Strong magnet allows secure attachment to metal surfaces or can be bolted to the wall

} Forged aluminum arms with JIS square spindle taper (129mm BB sold separately)

Right arm Bottom bracket Chainring and Spider NOT included

FSA Energy Stem 31.8mm x 120mm ±6° Rear Derailleur And a smart interchangeable rackFSA Energy Mountain Road Stems are constructed of forged and CNC machined 7050 T6 aluminum with a 4 bolt sculpted faceplate. 3D Forged and CNC machined from AL2014 4 bolt sculpted SL faceplate Titanium hardware 40mm clamp stack height