5 Pcs Screw Straps Arm Elbow Chain Light Weight Practical Bike Cycling Aluminum Alloy

Description:

- High quality aluminium alloy material, very durable.

- High performance, corrosion-resistant, light weight, high strength.

- It is a good replacement for standard arm bolt.

- It works functionally and adds pleasant color to your bike, practical and chic.

- Compatible with single chainrings or double chainrings.

- 5mm for single chainring, 7mm for double chainring.

Specification:

- Material: 7075 Aluminum Alloy

- Size: M8x5mm/M8x7mm

- Bolt Head Diameter: Approx.10mm / 0.39inch

- Nut Head Diameter: Approx. 4mm / 0.16inch

Package Includes: 5 Pieces Crankset Screws