Bike Cycling Bicycle 170MM Crank Foling Bike Fix Gear Crankset Bike Crank Arm Set BCD 130MM 5 Square Crank Set with Bottom Brackets

Feature:
130mm BCD.
5 holes bike crank set.
Included 5 pairs chainring bolts and hollow bottom brackets.
Suitable for folded bike.
Aluminum alloy forged for great strength.

Specification:
Material: Aluminum alloy
Color: Black / Red / Silver (optional)
BCD: 130mm
Hole: 5 square holes
Length of crank arm: 170mm
Weight of crank: 675g / 1.5lb (left+right)
Weight of BB: 105g / 3.7oz

Package list£º
1 * Right Crank
1 * Left Crank Arm
1 * Bottom Brackets
1 * BB Bolt
1 * Screw
5 Pairs * Chainring Bolts