BUY NOW TO GET AN EXTRA BELT!
1x motor+reduction unit
1x 36V 350W/ 48V500W controller
1 pair of crank arms
1x freewheel crank set
1x bolts and accessories
1x sealed bottom bracket
1x EXTRA 475-5M- 20mm BELT!
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.
Strengthened motor bracket with improved belt reduction system
This kit has 30% wider belt (20mm) than the previous version. Along with the new tensioner system, the kit can now handle more power. The durability is also improved. The replacement belt can be bought here.