2015 UPGRADED 48V 500W/ 60V700W CHAIN REDUCTION MID DRIVE KIT
1x motor+reduction unit
1x 48V 500W/ 60V700W controller
1 pair of crank arms
1x freewheel crank set
1x bolts and accessories
1x sealed 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 more durable than the previous version.
Strengthened motor with chain reduction unit
The aluminum case of the motor is cast with the mounting frame for the chain reduction unit, providing stronger structural integrity.
This kit requires BIKE WITH 68mm BOTTOM BRACKET.