RRP1221 Extra Hard 21T 5mm 1 Mod Pinion Gear is designed for RC vehicles and mechanical systems that use 1 module spur gears and a 5mm motor shaft. Manufactured from extra-hard, heat-treated steel, this precision-machined pinion provides exceptional durability, smooth operation, and reliable power transfer. The number of teeth is stamped on the side for easy identification. Package includes one pinion gear.
• 21-tooth gear with 1 module design
• 5mm bore for compatible motors
• Extra-hard heat-treated steel construction for maximum durability
• Number of teeth stamped on the side for easy identification
• Provides smooth and reliable power transfer
• Ideal for high-power and heavy-duty RC applications