INJORA Alloy Steel Helical Gears Overdrive Gears for FMS FCX24 FCX18

INJORA Alloy Steel Helical Gears Overdrive Gears for FMS FCX24 FCX18 Note: Each axle requires 1 set of gears (a ring gear and a pinion gear). Compatible with: 1/24 FMS FCX24  1/18 FMS FCX18 Features: Replace the stock plastic gears, fit front or rear axles Overdrive the front will pull your truck faster in the front, it allows you to climb better and reduce rollover. Helical gears offer greater strength and smooth operation than the factory spur gears Less vibration, less noise, less wear than stock gears 12/24T gears do not change the speed 12/20T overdrive gears increase speed approx 20% Specifications: Part Number: FCX24-17 Material: 20CrMo Alloy Steel Weight: 10g/set (0.022lb) Gear Ratio: 24/12=2:1 (Same as Stock) Gear Ratio: 20/12=1.66:1 (Increase speed approx 20%)