1Pair 170MM Mountain Road Bike Alloy Single Crankset Repair Parts (Black)

Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike High strength and deformation resistance, for time use Standard accuracy machining, which ensures chain retention, increases service life, and reduces friction and noise Features: 1. Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike. 2. High strength and deformation resistance, for time use. 3. Standard accuracy machining, which ensures chain retention, increases service life, and reduces friction and noise. 4. 170mm crank arm length without any overlap of crank arm and chain . 5. A good replacement for bike repair, compatible with many bike . Specification: Material: Aluminium Alloy Color Options: Black; Silver BCD: 130 mm (suitable for 107-110mm) Arm Length: 170 mmCelsius 6.7 inch Fit for: pedal Diameter = 9Celsius16 The distance from the center of the plate nail to the center : Approx. 65mm Celsius 2.6in Applicable bottom bracket: Approx. 107-110mm Celsius 4.2-4.3in Weight: Approx. 555 g Package List:    1 * Pair of Crank Arms Note: