Specification:
Item Type: Mid Drive Motor Crank Arms
BCD Center Hole Distance:170mm / 6.69inch
Crank Arms Interface Type:Diamond Shape Hole
Size: Approx. 21 * 3.8cm / 8.27 * 1.5inch
Weight: Approx. 450g / 1 Pair(Left+Right)
Package List:
2 * Crank Arms