Coleman CT200U Trail 200, CT200U-EX & BT200X mini bikes Baja MB165, MB200, Heat and Warrior Mini Bikes Jonway 50cc 4-Stroke Scooters including the following models: YY50QT-3, YY50QT-5 (Solana 50), YY50QT-10, YY50QT-21, YY50QT-28, YY50QT-29, For the GY6-50 (49cc) - QMB139 engine style. Please be sure your scooter is a 4 stroke and not a 2 stroke prior to ordering. Please check to be sure this matches the brake shoes off of your scooter prior to ordering. Thanks! Peace Sport VIP, Fit, Nightsky, Renegade, Smarty, Future and other 50cc 4-Stroke Scooters Tao Tao ATM50A1 Speedy, VIP CY50A 50cc 4-Stroke Scooter The outside diameter of these brake shoes is 105mm (4-1/8"). These brake shoes fit many other makes/models. Please see some of these additional models in this listing.