RDR Performance Clutch Drum with vented and friction enhanced inner surface for 150cc and 125cc 4-stroke GY6 engine based scooters, ATVs and off-road karts.

• Number of Splines: 19
• Overall Inner Diameter: 125mm
• Overall Outer Diameter: 137mm
• Splined Inner Diameter (peak to peak): 13.5mm
• Splined Inner Diameter (valley to valley): 15mm