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

Good luck with your favorite purchasesFeature: 1. 104mm BCD. 2. 170mm length for crank arm. 3. Square tapered crank arms. 4. Compatible with 8 / 9 / 10 / 11 speed. 5. Aluminum alloy material for light weight and strong strength. 6. Suitable for most mountain bikes. Specification: 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. 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 Package List: 1* Right Crank 1* Left Crank Arm 4* Pair of Bolt: :