1, Teeth: 48T/46T/44T/40T/36T/32T/28T 
2, Crank: 165mm/170mm/175mm/152mm/127mm/140mm 
3, Material: Steel & plastic 
4. Finish: ED/CP or UCP to be ordered 
5. Sprocket 28*38*48 OR 24*34*42T 
6. Chainwheel thickness 2.0/2.2/2.3/2.5/2.6/2.8mm 
7. Total weight 1200g 
8. Plastic guard color grey or black 
9, MINIUM ORDER: 5000 PCS 
10, DELIVERY: WITHIN 30 DAYS 
11, The specification, packing requirement and the weight can be customized according to customer drawing or samples