Swing Arm / Muffler Bracket - Scooter - Tao Tao Quantum 150 - Version 4 617645 If you hold the tank

If you hold the tank upside down with the widest part of the tank toward you

Adjust preload rings and collars for sizes 35mm-75mm

ID of bell housing: 112mm (4

Version 80 Red

Swing Arm / Muffler Bracket - Scooter - Tao Tao Quantum 150 - Version 4 617645 If you hold the tankRear Swing Arm Muffler Bracket for Tao Tao Quantum 150 Scooter Version 4 This rear swing arm was ordered from Tao Tao specifically for the Quantum 150 scooter. It may fit other makes and models too. Please use pictures and description to determine if it will fit your scooter. Swing arm details; Overall length: 38. 73cm (15. 25 in) Height: 17. 14cm (6. 75 in) at tallest point ID of large bearing: 16. 9mm (0. 66 in) ID of small bushing at rear: 8mm (0.