Mountain Bike Right Left Crank Single Crank Ring Bottom

Good replacement for your mountain bikes.

Features:

104mm BCD.

Aluminum alloy material for light weight and strong strength.

170mm length for crank arm.Compatible with 8 / 9 / 10 / 11 / 12 speed.

Chainring with arrow&wide teeth increase chain retention and wear life,reduce friction and noise.

Bottom bracket can be used with a bracket shell width of 68/73mm.

Suitable for most mountain bikes.

Specification:

Color: Black / Red (optional)

Chainring Teeth: 34T / 36T (optional)

Crank Arm:

Material: Aluminum alloy

Compatible with: 8/9/10/11/12 speed

BCD: 104mm

Length: 170 mm / 6.7 in

Axis outer diameter: 24 mm / 0.9 in

Axis length: 118 mm / 4.6 in

Weight: approx. 700 g / 24.7 oz (for a pair)

Chainring:

Chainring Teeth: 34T / 36T

Diameter: (34T)144mm / (36T)153mm

Material: Aluminum alloy

BCD: 104mm

Weight: approx. (34T)52g / (36T)55g

Bottom Bracket:

Material: Aluminum alloy

Fits for: 68/73mm width of bracket shell , BC 1.37-24T

BCD: 104mm

Inner diameter: 24 mm / 0.9 in

Weight: approx. 92 g / 3.2 oz

Package List:

1* Right Crank Arm

1* Left Crank Arm

4* Chainring Bolt

1* 18mm Crank Screw

1* Chainring

1* Bottom Bracket

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