ITEM NAME:48DP 26T 27T 28T 29T 30T Pinion Motor Gear Combo Set for 1/10 RC Car Brushe M4K2 48DP 26T 27T 28T 29T 30T Pinion Motor Gear Combo Set for 1/10 RC Car Brushe M4K2 Hard anodized on the gear surface Material: 7075 Aluminum alloy Weight: 2.1g / 1Pc Quantity: 5Pcs Teeth: 26T 27T 28T 29T 30T Height: 9mm Tip Diameter 26T: 15*9mm 27T: 15.5*9mm 28T: 16*9mm 29T: 16.5*9mm 30T: 17*9mm Diametral Pitch: 48DP Suitable shaft diameter: 3.175mm Package List: 1 * 48DP 26T Motor Pinion Gear 1 * 48DP 27T Motor Pinion Gear 1 * 48DP 28T Motor Pinion Gear 1 * 48DP 29T Motor Pinion Gear 1 * 48DP 30T Motor Pinion 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..1 48DP 26T Motor Pinion Gear. 1 48DP 27T Motor Pinion Gear. 1 48DP 28T Motor Pinion Gear. 1 48DP 29T Motor Pinion Gear. 1 48DP 30T Motor Pinion Gear. Teeth: 26T 27T 28T 29T 30T. 27T: 15.5 9mm.