With a redesigned rim profile, the new ARC Offset rims utilize an asymmetrical design to optimize spoke tension balance, wheel durability and wheel stiffness. New 6069 Alloy provides a superior strength to weight ratio over our previous generation of ARC, significantly improving toughness. And now with our new 30mm wide Heavy Duty rim at 22mm deep, we have a rim size and width option for every tyre and every riding style. Our tubeless ready bead and offest design mean these rims are ready to hit any trail with confidence. Features Tubeless ready, strong tyre retention bead. Sizes from 25mm to 40mm internal width. Specification table, th, td { padding: 5px; border-collapse:collapse } table { border-spacing: 2px; } tr { border-bottom: 1pt solid black; } table > *:first-child:not(thead) td:first-child { font-weight: bold; } 27.5" 29" Rim Weight 25mm - 418g, 30mm - 484g, 35mm - 520g, 40mm - 560g 25mm - 445g, 30mm - 525g, 35mm - 553g, 40mm - 596g Finish Brushed Black Anodise / Vinyl Decals Brushed Black Anodise / Vinyl Decals Type Tubeless Ready Clincher (Tape and valve kit sold seperately) Tubeless Ready Clincher (Tape and valve kit sold seperately) Rim Material 6069 High Strength Alloy 6069 High Strength Alloy Rim Depth 20mm 20mm Rim Offset 4.5mm 4.5mm Internal Rim Width 25mm, 27mm, 30mm, 35mm, 40mm 25mm, 27mm, 30mm, 35mm, 40mm External Rim Width 29mm, 31mm, 34mm, 39mm, 44mm 29mm, 31mm, 34mm, 39mm, 44mm Spoke Holes 28 or 32 Hole 28 or 32 Hole Rim ERD 562mm (25-40mm) 600mm (25-40mm) Max Spoke Tension 122KGF / 1200N 122KGF / 1200N