2015 UPGRADED 36V350W/ 48V 500W GEN2 PLANETARY REDUCTION MID DRIVE KIT
1x motor+reduction unit
1x 36V 350W/ 48V500W controller
1 pair of crank arms
1x freewheel crank set
1x bolts and accessories
1x sealed bearing bottom bracket
UPGRADED FREEWHEEL CRANK-SET
The brand new 34T-42T crank-wheel weighs only 570g, which is 25% less than the previous generation. The new crankset is mounted on the bottom bracket directly, together with the high quality bearing and freewheel, the new crank set is much more durable than the previous version.
Improved planetary reduction motor unit.
With the new heat radiation design, the motor can now handle more power.
This kit requires BIKE WITH 68mm BOTTOM BRACKET.