Get top quality mini bike engine sprockets from OMB Warehouse regardless of the make or model. We source all products from leading brands and companies. The function of mini bike engine sprockets is simple. Generally, 2 sprockets, one on a shaft from the engine and the other on a drive wheel, are connected with a chain and propel the mini bike forward. One of our in-demand products in this category is the 20T Front Sprocket Pinion for 49cc 2 Stroke Mini Bike. It is made of metal and is rust and corrosion resistant. Package includes1 Piece 20T Front Pinion Sprocket. Product type: Gears. Another item we stock is the # 35 Sprocket for Standard 35 Roller Chain Bore 5/8 inch B Type with Keyway 1pcs, Suitable for 3/8" Pitch 35 Roller Chains5/8" Bore 34 Tooth B Type, Keyway: 0.1875*0.0938"(4.7625*2.38252mm). Included in the package are1PCS x Roller Chain Sprocket+2PCS Screws. Also check out the exclusive front sprocket used on 49cc & 52cc engines, specifically pocket bikes. May be used on other applications as well. This sprocket has 25 teeth and is compatible with the #25 chain only. Other specifications are 6 Spline, ID Across Teeth: 11.1mm (.43"), ID Across Valley: 14mm (.55"), OD: 53mm (2.09"), Height: 11.8mm (.47").