Material: steel Teeth:: 24/28/34/38/42/48T Finish : CP ED According to your requirement.

ChainWheel1,Material:steel,  

2,Teeth:: 24/28/34/38/42/48T

3,Finish : ED,CP

Material available: gray iron, carbon steel, and alloy steel, stainless steel, aluminum, copper, brass, and zinc platedSurface treatments: electrophoresis and zinc plated                                         

Heat treatments: tempered or annealed and induction hardened

According to your requirement, Looking forward your long-term cooperation.

Bicycle Chainwheel