Epic 64 Pitch Pinions And 1/10 Derlin 48 Pitch Spur Gears Trevor Duncan Kyosho, Product News Comments We have added to our popular 64 pitch pinion line and added Machined Delrin 48 pitch Associated SC style spurs. The new 48 pitch precision machined Delrin spur gears available in 75, 78, 81 and 87 tooth. Associated SC10 style spurs will fit Kyosho RB5 & SCR with the use of Associated slipper pads. Never miss an issue of RC Car Action! Subscribe today with a Digital Edition subscription or Print + Digital combo!