GNGELECTRIC

GNGelectric

Gngelectric supply inexpensive electric bike kits system which allow you
 to convert your own conventional bike into a battery-powered electric bicycle.

FREEWHEEL CRANK PARTS

Freewheel cranks are necessary parts for all mid drive system. Here you can get the basic freewheel crank set with square taper bottom bracket to premium ISIS system freewheel crank set built to last.

87mm-148mm Premium quality ISIS bottom bracket. 

(Double bearing on both sides)

- Taiwan made

- 87mm from cups to cups

-148mm length

ISIS forged aluminium crank arm (type 1)

- Standard 1.37" x 24 TPI  thread

- 170mm length

- ISIS standard 

-USD28 + 28(air mail)

ISIS forged aluminium crank arm (type2)

- Standard 1.37" x 24 TPI  thread

- 170mm length

- ISIS standard 

-USD30 + 28(air mail)

SHIPPING METHOD
SHIPPING METHOD
SHIPPING METHOD

156mm Square taper bottom bracket2

40mm long on drive side

81mm BB cup to BB cup widith

Double chain wheel 

- Metric thread pitch 1.37" x 25 TPI  thread



Square taper aluminiumcrank arms (pair)

- Metric thread pitch 1.37" x 25 TPI  thread

- 170mm length


Tridiamond 4 holes freewheel
- No sound
-High quality
- 65mm BCD
- Standard 1.37" x 24 TPI  thread
 - 6mm holes (non-threaded)

Tridiamond 4 holes freewheel
- 67mm BCD
- m6 threaded holes

Stainless steel spider

(Coming soon)

- 65mm BCD for the freewheel

- 104mm BCD 8mm holes diameter 

- Come with 4 sets of mutual lock bolts

32T Steel Chain ring

- BCD 104mm

-Holes diameter 10mm

38T Steel Chain ring

- BCD 104mm

-Holes diameter 10mm

44T Steel Chain ring

- BCD 104mm

-Holes diameter 10mm

Crank bearing adapter

- 65mmBCD

-m6 threaded holes

-Adapter for extra bearing support to the ISIS bottom bracket.