RC Metal 0.5M 32T Spur Gear 8T Pinion Conversion Kit for 1/24 SCX24 RC Metal 0.5M 32T Spur Gear 8T Pinion Conversion Kit for Axial SCX24 1/24 Scale Mini RC Crawler Here is the Spur Gear needed to connect the Surpass Hobby 2204 1400kv Brushless Outrunner Motor. This is a high precision Gear that comes with a 8T Pinion Gear that is for a 1.5mm shaft motor ( can be used to upgrade your brush motor). I do not use this pinion gear for the outrunner motor. I use a seperate gear called, 48DP 13T with a 3.175mm bore (sold seperately), available in shop, also in the shop to complete the SCX24 conversion to the brushless motor is the 3D Printed mount w/screws that are needed to mount the motor. (sold seperately). In this item, you receive the 2 gears, One aluminum, and one brass. Here are the Specs.... Specification Type 8T 32T Scx24 Gear Set Gender Unisex Age Range 14 Years up Use Vehicles Remote Control Toys Place of Origin China Model Number M008839AAB0C1 Features Easy to install and more durable Material Metal Weight Approx. 10g RC Parts Accs CNC Motor Components Upgrade Parts/Accessories Gearbox Gear Package Included 1Set Gearbox Gear Features Easy to install and more durable Fine workmanship and perfect style Specifications Material: Metal Weight: Approx. 10g RC Parts Accs: Motor Components Size: As picture show Use: Vehicles Remote Control Toys Upgrade Parts/Accessories: Gearbox Gear Package Included 1Set Gearbox Gear (2 pieces) Suitable for Axial SCX24 AXI90081 Deadbolt 1/24 RC Crawler Car Axial SCX24 AXI00001 Chevrolet 1/24 RC Crawler Car Axial SCX24 AXI00002 Wrangler 1/24 RC Crawler Car Axial SCX24 AXI00004 1/24 RC Crawler Car Axial SCX24 AXI00005 Gladiator 1/24 RC Crawler Car Axial SCX24 AXI00006 Bronco 1/24RC Crawler Car Thank you for Supporting Small Family Business. If you have any question please do not hesitate to reach out, it is my pleasure to help you.