1. Made of premium aluminium alloy, sturdy, lightweight, anti-rust, non-deformation and durable for long time
2. Simple and colorfast surface, good appearance adds much more fashion to your bike
3. Can perfectly protect chain from falling out
4. Easy to install without disassembling chain ring out
5. Useful tool for bike owner to make the bike better

Specification:
Features:
Made of premium aluminium alloy, sturdy, lightweight, anti-rust, non-deformation and durable for long time.
Simple and colorfast surface, good appearance adds much more fashion to your bike.
Can perfectly protect chain from falling out.
Easy to install without disassembling chain ring out.
Useful tool for bike owner to make the bike better.
Specification:
Material: Aluminium alloy + Nylon
Color Options: Black; Red
Applicable Bottom Bracket: ISCG 05 Bottom Bracket
Applicable Chain ring Range: round for 30-40T / oval for 30T-38T
Size: 11.5 x 5cm / 4.53 x 2inch (details shown as picture)
Weight: Approx. 40-41g
Package Included:
1 x Bike Chain Guide
2 x Screws
2 x Washers
Other items in picture are not included.
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.