1. Tooth Plate Protection Cover, made by high quality plastic.
2. Fit to 42 Tooth Crankset, one size, as showed.
3. High Stength, not easily broken, long life use.
4. Light weight, tea color transparent, suitable for mountain bikes, road bicycles.
5. Effectively organize chain oil on the pants and protect the chain disc.
Size: Diagonal hole distance 15.5cm adjacent hole distance 11cm