A good alternative to your mountain bike.
Features:
104mm BCD
Crank arm length 170mm
Square tapered crank arm
Compatible with 8/9/10/11 speeds.
Lightweight and high strength aluminum alloy material
Suitable for most mountain bikes.
4 Bolt Chain Ring Included Narrow teeth extend chain holding power and wear life, reducing friction and noise.
Specifications:
Model: 2 Crank Arms/2 Crank Arms and 1 Chainring (Optional)
Color: Black/Red (Optional)
Chainring Teeth: 34T / 36T (optional)
Crank Arm:
Material: Aluminum alloy
Compatibility: August 9, 2011
Fits pedal size: 9/16"
BCD: 4.1 inches (104 mm)
Length: 6.7 inches (170 mm)
Weight: Approx. 18.0 oz (510 g) (for pairs)
Chainring:
Chainring Teeth: 34T / 36T (optional)
Diameter: 5.7 inches (144 mm) / 6.0 inches (153
Material: Aluminum alloy
BCD: 4.1 inches (104 mm)
Fits Chain Size: Standard 1/2" X 1/8"
Package List:
1 x Right Crank
1 x Left crank arm.
4 x Pair of Bolts
1 x Chain Ring