Bore (30mm – 80mm)+ 0.12mm / + 0.00mm. Clamp Bolts. Anti-corrosion finish. Industry standard. 45mm45 73 19 M8X25. 40mm40 60 15 M6X18. 38mm38 60 15 M6X18. 35mm35 57 15 M6X18.
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