1.With heat treatment 2.Long life duration The Chain technic treatment is as below:1.Shot peening2.Bluing3.Phosphating4.Nickel-plated5.Zincing 1. Model For Honda:BIZ 100, BIZ125, C70, C100, C100-BIZ, CB100, CB125,CB250N, CBX150,CBX200, CD70, CD100, CD125, CG125, GS125,etc.2. Model For Suzuki:A50, A80, A100, AX100, AX115, C70, C90,CN125,ER100, ER125, FD115, FR100, GT50, GP100, GP125, GN125, etc.3. ...