Crank surface: sandblasted

Material: 705 material (high quality aluminum alloy)

Axis: 24mm Same as new Shimano

Compatible bottom bracket: BSA BB30 PF30 BB386 BB86-92

Compatible with: all 8s 9s 10s 11s 12s chains

Weight: 765g/1.68 lb (crank and chainring)

Compatible with: 9/10/11/12S

Features: high hardness and wear resistance, durable, anti-corrosion and anti-rust

Suitable for:Road bike, folding bike, fixed gear bike

Made of 6061, 7075 aluminum alloy, anti-corrosion and anti-rust, durable

One-piece chain ring to reduce weight and increase product durability

Optimize the workmanship of the chain ring teeth so that you can shift gears more smoothly while riding

The 24mm axle is better in compatibility with most frame sizes and has adjustable knobs to make the installation process easier.

• Threaded bottom bracket

Width: 68-73mm
Axis: 24mm
Weight: 95g
Material: aluminum alloy
Outer diameter: 44mm

• Pressed-in bottom bracket

Width: 86-92mm
Axis: 24mm
Weight: 92g
Material: aluminum alloy
Outer diameter: 44mm

• Pressed-in bottom bracket

Width: 68-73mm
Axis: 24mm
Weight: 114g
Material: aluminum alloy
Outer diameter: 44mm

• Pressed-in bottom bracket

Width: 68-73mm
Axis: 24mm
Outer diameter: 44mm
Weight: 120g
Material: aluminum alloy

• Pressed-in bottom bracket

Width: 68-73mm
Axis: 24mm
Weight: 112g
Material: aluminum alloy