... rim 2.Material:alloy 3.Suitable for road bike 4.Model:HJ-BD01.. bicycle double wall steel alloy rimOur company specializing in ... of bicycles and bicycle parts.For example :kids’ bicycle, Mountain bike, and bicycle brake, saddle, tire, ect. 1.material: ... *1.75--2.125, 18*1.75--2.125, 20*1.75--2.125, 24*1.75--2.125, 26 ... 28*1.75--2.125, 5.packing:10pcs/bale road bike's bicycle rim material double wall alloy