Motorcycle outer sprocket 1. Superior material 2. Good performance 3. Genuine part, quality guarantee 4. Wholesale price We can offer various model number and specification of motorcycle parts, we strive to satisfy our customers' requirement. Choose us means you choose the most trustworthy business associate. If you are interested in our products, for more information, please contact us, let's talk business!Product name Outer sprocket Brand name KAD Model number 420, 428, 428H, 520, 530 Teeth Front13T, 14T, 15T, 16T, 17TRear 34T, 35T, 36T, 37T, 41T… . 58T Material 1045steel(45#steel), Q235steel(A3steel), 16Mn steel Color Silver, black, gray Heat treatment High frequence quenching, carburization Surface treatment sand blasting, galvanization, polishingelectrophoresis, painting Features 1. made with excellent quality steel, plus strict quality control, make the sprockets have superior hardness andabrasion resistance 2. adopted advanced technology of heat treatment and surface treatment, make the sprockets have good antirust ability, good performance of corrosion resistance and fatigue resistance, durable in use 3, long service life, quality guarantee, reasonable price