M.T.C.W. Main Gear Adjustment Shim Set for M

Main gear adjustment shim set M (for main side) Main gear etc. Package contents ・ Made of copper ・ Inner: 12.5mm-Outer: 14mm Thickness 0.05mm 0.1mm 0.2mm 0.3mm
*Set of 4 It is slightly smaller than the BB, so it does not interfere with the rotation of the BB when tightening.