GPM set´s
Complete set with clutch bell and one each 17T and 18T steel pinion.GPM clutch bell with 5 mm pinion bolt. CNC-machined one-piece bell for absolute true running. Inclusive mountings.GPM 17T and 18T steel pinions are profile regraded. This allows for a change in gearing by a pinion swap alone.Module: m=1,5Profile regraded means that the number of teeth is changed while the diameter remained constant. The part of the involutes? curve that defines the tooth profile is changed. Positively regraded (lower number of teeth) pinions are stronger and run smoother, the reduced strength of negatively regraded pinions doesn?t really matter.Content of delivery:GPM steel clutch bell SBJ613GPM steel pinion 17T SBJ017TGPM steel pinion 18T SBJ018TO
