Throttle handle Size: L:133mm around/5.23inch; Inner Dia of Left Grip: 2.0cm to 2.1cm/0.79inch to 0.83inch; Inner Dia of Right Grip:2.3cm to 2.4cm/0.91inch to 0.94inch
Throttle Grip Size: Outside Diameter:25mm/0.98inch; Inner Diameter:22.5mm/0.89inch L:130mm to 133mm/5.11inch to 5.24inch;
Specially made for motorized bicycles.
NOTE: You could put a tape inside for a tighter grip
