Robinson Racing Products Extra Hard Steel 5mm Bore 1 Module Pinion, 11T - RRP1211 ZS0407 540 or 550 Size Motor:

540 or 550 Size Motor: >18T

Drivetrain Full-time 4-wheel drive

We include two giant sheets of decals that allow you create an exact replica of the BMW Motorsport #90 car driven by R/C enthusiast Joey Hand and Bill Auberlen

Internal: Steel Gears

42mm2 O-Rings

Robinson Racing Products Extra Hard Steel 5mm Bore 1 Module Pinion, 11T - RRP1211 ZS0407 540 or 550 Size Motor:Overview Extra Hard Steel 5mm Bore (1. 0 module) Brushless Motor Pinions. One 4x4mm set screw included. 2mm allen wrench (not included) fits the 4mm set screw. Can be run on cars using a 5mm motor shaft. These pinions mate with most 1 8 scale nitro spur gears. 5mm to 1 8 inch Reducer Sleeve required for 1 8 inch shaft motors. Specifications: Material: Steel Tooth Count: 11 Tooth Gear Pitch: 1. 0 Module Gear Type: Pinion Part Type: Gears Shipping