Mountain Bike Right Left Square Crank Arms with Bolts 170MM 104 BCD Aluminum Alloy MTB Bicycle Crankset for 8/9/10/11 Speed

Good replacement for your mountain bikes.

Features：
104mm BCD.
170mm length for crank arm.
Squre tapered crank arms.
Compatible with 8 / 9 / 10 / 11 speed.
Aluminum alloy material for light weight and strong strength.
Suitable for most mountain bikes.

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

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 oz (for a pair)

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