RCM 48P Aluminum Pinion Gear 21T is a lightweight, race-focused 48 pitch aluminum pinion gear for dialing in your gear ratio. It features a 3.25mm bore designed for a standard motor shaft size and uses a secure 3mm set screw to lock onto the shaft. Built for competition, this 21T pinion is engineered to be lightweight for maximum performance.

Why Choose RCM 48P Aluminum Pinion Gear 21T

• 21-tooth 48 pitch aluminum pinion gear
• Lightweight, race-focused design
• 3.25mm bore fits standard motor shafts
• Secure 3mm set screw locks the gear in place
• Fine-tune your gear ratio for top speed or acceleration