Signswise Pull Start Assembly for 2 Stroke Motorized Bicycle Engine 49cc 50cc 60cc 66cc 70cc 80cc 49cc To 80cc 2 Stroke Engine Part Motorized Bike Alloy Hand Pull Starter Match original equipment exactly for a perfect fit, easy to install. Please check for the details and make sure this is the right one you need. Weight:0.4kg; Product Size: 13cm*10cm*4.5cm; Central Hole Size:60mm Note : In the process of using , please do not Pull the rope hardly ,and that will make damage to the the pull starter ,the rope won't return back into the housing