Description:

【Material】: Made of good quality aluminum alloy material, anti rust, high strength, sturdy and durable, colorfast, lightweight .
【Functional】: used fix the crank and crank of the sprocket .
【CNC Machining】: Precise workmanship, light weight and fully fixed.
【Wonderful Accessory】: for bike chain wheel, used fix the crankset and crank of the chain wheel, Tighten, seal, and waterproof.
【Easy to Install】: crank arm Bolt is wonderful replacement part for your broken or old ones .
【Universal】: Can be applied for mountain bikes, road bikes, etc .

Specification:

Material: Aluminum Alloy

Size: 2.04cmx2.3cmx1.65cm/0.80inchx0.91inchx0.65inch

Package Includes:

1 Bikes Crankset Screw