This Schumacher Racing Products replacement drive belt is 155 teeth long and 4mm wide, designed to fit the Schumacher 1:10 Cat L1R platform. The toothed profile provides positive engagement with pulleys throughout the drivetrain. Replacing a worn or damaged belt with a factory Schumacher unit ensures correct tooth pitch and belt width for proper drivetrain function. Features: 155-tooth belt 4mm wide Toothed profile for positive pulley engagement Schumacher factory replacement part 7/7/26 cs