SmartBike Systems X20 Ebike Hub Motor - Class 1 20mph 55nm 28h Straight-Pull 12x142mm Thru-Axle Cassette Body Not Included
Mahle
$883.04
Smartbike Systems X35 Ebike Hub Motor - Class 1 20mph 90 deg axle BLK
$561.50
X30 Drive unit
$453.43