Tyenaza Bike Crank Arm, 170mm Crank Arm Single Speed Crankset - Bicycle Mountain Road Bike Chain Crank Arm Replacement Accessory(Square Hole-sliver)

• Premium Alloy-- The Bike Crank Arm is made of high quality aluminum alloy, light weight, high strength, strong resistance to deformation, durable and sturdy to use for a long time.
• With 170mm Crank Arm-- 170mm crank arm length without any overlap of crank arm and chainring bolt.
• Standard Cut Holes-- Standard precision cut holes to ensure perfect fit with the bike, easy to install, you just need to align the interface and install it, improve efficiency and bring you convenience.
• Excellent Paint-- The Bike Crank ArmFine posses polish and excellent paint, no fading and stylish.
• Multi-application-- The bicycle parts crankset is great for bike repair and compatible with many bike models.

Specification: Material: aluminium alloy. Options: Black Square Hole; Black-Rhombic Hole; Silver Square Hole; Silver-Rhombic Hole Total length: approx. 20.5 cm/8.07 inches. Hole distance: 170 mm Suitable for: left side. Weight: approx. 200-214g Note: pay attention to the shape of the inner hole of the crank. The hole in the middle of some cranks is diamond-shaped, and the inner hole of the standard square hole, just confirm the shape of your original crank. Package includes: 1 x crank handle.