Description:

- Made of CNC aluminum alloy material: Anti-rust, lightweight and practical
- Designed for bike chain updating such as upgrading your standard chainring ratio 50/39T to 50/34T (Compact Cranks ) or 56/44T (TIME race)
- To reduce the noise and friction by chain while you changing cycling
- Additional angle of 4° shim prevents your front derailleur hiting the chain
- 3mm thick shim solves the problem that your front derailleur can't reach your chain

Specification:

- Material: Aluminium Alloy
- 3mm(Thickness):
- Length: 2omm/0.78inch
- hole diameter: 5mm/0.2 inch
- 4°:
- Length: 2omm/0.78 inch
- hole diameter: 5mm/0.2 inch
- The thickness: 2mm; The other ends' thickness: 0.8mm

Package Includes:

1 Piece Bike Front Derailleur Shim

Note:

Please allow slightly difference due to manual measurement. Color may be slightly different since different . Thanks!