34T Bicycle Crankset Hollow 170MM Integrated Bike Crank and Chainring Set for Cycling 9 to 12 Speed

Feature: 1. Aluminum Alloy: The bike crank is made of high strength aluminum alloy, which is wear resistant under stress and will not break when stepped on. 2. Stable Structure: The bike crank arm set has stable structure, good compression resistance, thickened aluminum, and is sturdy and durable. 3. CNC Machining: Accurate CNC machining of bike crank improves strength and rigidity, and the surface is glossy and sharp without burrs. 4. Hollowed Designed: The left and right cranks are hollowed out in a large area, greatly reducing the weight while maintaining the strength. 5. High Strength: The bike chainring set has high strength, low noise, improved rigidity, and the sealing system is not easy to be damaged.

Specification: Item Type: Bicycle?Crankset Material: Aluminium alloy Gross Weight: 922g/32.5oz Compatible: 9 to 12 speeds Style: 34T Crank Arm Length: 170mm/6.7in

Package List: 2 x Bicycle Crankset

1 x Chainring 1 x Bottom Bracket 2 x Tools 4 x Steel Nail Assembly 4 x Steel Nail Accessories