*Will bolt to Axial spur gear plate but above 56T may rub on driveshaft*
Specifications:Heavy duty delrin material
Engineered & Manufactured by RC4WD
Direct replacement for R3 2 Speed
Bore Size: 9.6mm
Total Length: 5.6mm
OD: 2.06in / 52.35mm
Width: 0.21in / 5.5mm
Weight: 0.28oz / 8g