Use: Premium Jump, Park, Street
Material: 6061 T6, 7003E T6
Walls: Double
Joint: Welded
Weight: 490g, 680g, 740g
Diameter: 406 (20”), 507 (24"), 559 (26")
Drilling: 32, 36, 48
ERD: 392, 495, 574
This product qualifies for quantity discount pricing.what's this?