23T-27T pinion motor gears combo Includes set screw Made of high quality material; Durable Aluminum alloy construction for long-lasting performance Rust-proof treatment on the surface of gears For 3.175mm shaft motor of 1/8 1/10 RC off-road buggy monster truck M: 0.6 Teeth: 23T 24T 25T 26T 27T Height: 9mm Tip diameter 23T: 9*15mm 24T: 9*15.6mm 25T: 9*16.2mm 26T: 9*16.8mm 27T: 9*17.4mm Suitable shaft diameter: 3.175mm Package List: 1 * M0.6 3.175mm 23T Pinion Motor Gear 1 * M0.6 3.175mm 24T Pinion Motor Gear 1 * M0.6 3.175mm 25T Pinion Motor Gear 1 * M0.6 3.175mm 26T Pinion Motor Gear 1 * M0.6 3.175mm 27T Pinion Motor Gear Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.