1. Four-speed adjustable, different gears can be used according to different models and different throttle lines. 2. Screw fixed position design, the torsion oil position is fixed during driving, twisted to a certain extent to prevent loosening, improve the starting speed, easy and labor-saving. 3. Aluminum alloy material, CNC machining, smooth and durable appearance. 4. Length: 139.2mm. 5. Net weight: 0.122kg. 6. Material: aluminum. 7. Applicable models: universal.
