Item Type: Rear Clutch Set Material: Metal Alloy Inner Diameter (Bell Shape): Approx. 125mm/4.9in Outer Diameter (Bell Shape): Approx. 137mm/5.4in Outer Diameter (Pulley): Approx. 142mm /5.6in Quantity of Splines: 19 Spline Inner Diameter (Peak Value): Approx. 13.6mm/0.54in Equipment: Replacement, Refurbishment, Repair, Modification, Etc. Application: Compatible with GY6-125cc/150cc 4 stroke 152QMI/157QMJ engines. Fitment: Replacement for some brands Agility 125 150 4 stroke Replacement for some brands Taotao 125 150 4 stroke Replacement for some brands Lance Vintage 150 Replacement for some brands Eaglecraft 150 Replacement for some brands Znen 150 Replacement for some brands Tank 150 Replacement for some brands Retro 150 Replacement for some brands BMS 150 Replacement for some brands Baja SC125 SC150 Replacement for some brands Jonway 150 Replacement for some brands Shenke 150 Replacement for some brands Yerfdog GX150 Replacement for some brands Spiderbox 150cc such as 3206/4206, 3209/4209, 32092/42092, 32093/4209, 42054, 42094, 42101, 42105 Replacement for some brands RidgerRunner II Replacement for some brands Hammerhead GTS 150 Replacement for some brands Hammerhead Twister 150 Replacement for some brands Coolster 3150DX2 Replacement for some brands Kandi 150 Replacement for some brands Carbide 150 Replacement for some brands Quantum 150 Replacement for some brands Zircon 150 Replacement for some brands Helix 150 Replacement for some brands Manco 150 Replacement for some brands American Sportworks 150 Replacement for some brands Tomerlin Crossfire 150 150R Replacement for some brands Dazon Raider 150 Replacement for some brands Carter Talon 150 Replacement for all 4 stroke GY6 125cc 150cc engine