Bike Crank,Arms Crank Set Crank Arms Crank 170mm 104 Bcd Set 170mm 104 Left Crank Mountain Bike Left Bcd Alloy Bike Alloy Bike Crankset Crank Set 170mm Black Crank Arms 34T Chainring

Mountain Bike Right Left Square Crank Arms Single Crank Ring Set 170MM 104 BCD Aluminum Alloy Bike Crankset for 8/9/10/11 Speed Come with a 4-bolt chainring.Narrow&wide increase chain retention and wear ,reduce friction and noise. 104mm BCD. Compatible with 8 / 9 / 10 / 11 speed. tapered crank arms. Aluminum alloy material for light weight and strong strength. 170mm length for crank arm. Suitable for most mountain bikes.

Good replacement for your mountain bikes.

Specification:
Color: Black / Red (optional)
Chainring : 34T / 36T (optional)
Model: 2pcs Crank Arms / 2pcs Crank Arms& 1pc Chainring (optional)


Chainring:
Chainring : 34T / 36T (optional)
Diameter: 144mm / 153mm
Material: Aluminum alloy
BCD: 104mm
Fits chain size: Standard 1/2" X 1/8"

Package List:
1* Right Crank
4* Pair of Bolt
1*Chainring
1* Left Crank Arm


Crank Arm:
Material: Aluminum alloy
Compatible: 8/9/10/11 speed
Fits pedal size: 9/16"
BCD: 104mm
Length: 170mm
Weight: approx. 510 g / 18.0 (for a pair)