Optional spur gear for 3-Pad Slipper Clutch. Precision-molded slipper clutch spur gear 87T 48P is manufactured from XRAY's exclusive key mix of composite product, allowing kit become robust enough to take care of superior brushless devices. The spur gear ended up being designed to genuinely have the cheapest feasible fat while staying strong and light. Each gear has a stamped enamel quantity for effortless recognition.