Features:The Hole Diameter around 5.7mmDistance Between Mount Holes( centre hole to centre hole ) around 78mmEasy Recoil Pull Start Starter For 47cc 49cc Mini Moto ATV QUAD Bike Dirt Pocket Bike ScooterFitment:For 2 Stroke 47cc 49cc Engine Mini Moto Dirt Kids ATV Quad 4 Wheeler.Specifications:Color: BlackHole Diameter: 5.7mmWeight:310g Size:15*20*5cmPacking List:1 x 49cc Pull Start Recoil Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!