Our Trailing Arms are hands down some of the toughest and most innovative trailing arms available

big in brightness

A stiffer front end can help improve consistency in handling over rough terrain

high-volume airflow for demanding large-scale RC motor-cooling applications

reliable engagement

Powerhobby Hardened Steel 40T Mod1 5mm Pinion Gear Mod 1 Speed Run / Drag Racing Micro RS4 Parts Our Trailing Arms are handsPowerhobby Hardened Steel 40T Mod1 5mm Pinion Gear with 2 Grub Screws Description Fine tune your RC vehicles gearing with a Powerhobby Hardened Steel Mod 1 Pinion Gear. Designed for motors with a 5mm shaft, these gears provide the strength and durability needed for high power RC cars, trucks, speed run vehicles, and drag racing applications. Each pinion features two set screw holes for a more secure attachment to the motor shaft. Two M4 grub screws