All new for 2025! The Big Boyd rim was designed with Boyd Hilder for pro-level street and park riding. The extra-wide cross section is both strong and light, and designed to work with larger tire widths. This is now the widest rim in the lineup. KEY FEATURES Designed with Boyd Hilder to be both strong and lightweight Extra-wide cross section design accommodates larger tire widths Extra-thick outer walls and bead hook shaping for increased durability Short height with minimal, angled, brake track to avoid catching on objects Directional, cross-over spoke lacing for added lateral strength Internally reinforced spoke nipple seats Fully welded joint construction SPECS Size: 36-hole 20”Material: 6069-T6 aluminumWidth: 40mmHeight: 17mmERD: 391mmWeight: 488 grams (17.2oz)