轴承钢, 60-64HRC, 表面抛光. 平垫片
备注︰ As an experienced manufacturer, we committed ourselves to making high quality parts and accessories for all kinds of R/C cars, trucks, helicopters and aircrafts. Our products include both original spare parts and after-market hop-up parts. Our aim is to develop the r/c products with lighter weights, better hardness and strength, higher performance, but more reasonable prices. We produce and stock some standard R/C parts and accessories, also make custom production according to customers’ drawing or samples.