Redcat Portal Overdrive & Underdrive Gear Set (Steel)(1set) RER31798

Portal Overdrive & Underdrive Gear Set (Steel)(1set) Includes 8 steel gears to replace the stock portal gears to increase climbing performance. Includes 22t x 2 gears, 24t x 2 gears, 15t x 2 gears, 13t x 2 gears and pins. Front overdrive = 5.7% Rear underdrive = 5.85% Total underdrive/overdrive = 11.5%