Motorcycle special set Applicable valve diameter: 31-22mm Number of pieces: 21 Grinding wheel: 31×45 °/27×45 °/24×45 °/22×45 ° Reamer: 31×45 °/27×45 °/24×45 °/22×45 ° Top chamfer: 31×58 °/27×58 °/24×58 °/22×58 ° Lower chamfer: 30×30 °/26×30 °/23×30 °/20×30 ° Cutter bar: 5MM/5.5MM//wrench/nut/nut Applicable valve diameter: 34-22mm Number of pieces: 23 Grinding wheel 34×45 °/31×45 °/29×45 °/27×45 °/24×45 °/22×45 ° Reamer: 34×45 °/31×45 °/29×45 °/27×45 °/24×45 °/22×45 ° Top chamfer: 34×58 °/27×58 °/24×58 ° Lower chamfer: 30×30 °/26×30 °/23×30 ° Cutter bar: 5MM/5.5MM/6MM/wrench/nut Applicable valve diameter: 31-18 mm Number of pieces: 24 Grinding wheel: 31×45 °/27×45 °/24×45 °/22×45 °/18×45 ° Reamer: 31×45 °/27×45 °/24×45 °/22×45 °/20×45 °/18×45 ° Top chamfer: 31×58 °/24×58 °/22×58 ° Lower chamfer: 30×30 °/26×30 °/20×30 ° Cutter bar: 4MM/4.5MM/5MM/5.5MM/wrench/nut. Note: Due to measurement reasons, there may be an error of about 0.1mm in the size of the guide rod.