Bike Narrow Wide Chainring, Bike Repair Replacement Lightweight Narrow Wide Single Chain Ergonomic Shape for Bicycle for Bike(40T disc (104BCD)) - Product Features
- Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction.
- A perfect replacement for bike repair.
- Suitable for most crankset, fit for AM/XC bicycle.
- The positive tooth corresponding chian tooth is wide, tooth corresponding negative chain is narrow.
- Made of high quality aluminium alloy, which is lightweight and durable to use.