Riders are exploring technical, all-mountain trails on Plus and E-Plus bikes, necessitating fast wheels that are strong and capable enough to charge through rough sections. SUNringle Duroc SD42 rolls fast and strong for confident handling and long-range exploration. Straight-pull SRX hubs with high-strength Dual- Tooth pawls and precisionground steel axles Wheelsmith doublebutted spokes and brass nipples, precision tension balanced with SpokePrep assembly compound for longevity Welded and eyeleted Duroc SD42 rims for maximum impact resistance, widestance tire shaping, and STR tubeless tire retention E-MTB approved for electric bicycles SPECIFICATIONS 148x12 Boost 27.5" 110x15 Boost Colour Black Black Hub Drilling 28 28 Cassette Shimano/SRAM 8, 9, 10 Speed - Rim Depth 17 17 ISO Diameter 584 / 650b / 27.5" 584 / 650b / 27.5" Valve Short Presta (32-40mm) Short Presta (32-40mm) Wheel size 27.5" 27.5" Tyre Type Tubeless Ready Clincher Tubeless Ready Clincher Spoke Info Wheelsmith DB14 Wheelsmith DB14 Skewer Included No No Rim Joint Welded Welded Spoke Interface Straight Pull Straight Pull Nipple Material Brass Brass Hub Color Black Black Axle Rear: 12mm Thru x 148mm Front: 15mm Thru x 110mm Rim Width (External) 42 42 Rim Material Alloy Alloy Hub/Brake Compatibility 6-Bolt Disc 6-Bolt Disc Spoke Profile Double Butted Double Butted Eyelids Single Single Rim Width (Internal) 36 36 Hub Model SUNringlé SRX SUNringlé SRX Designed for ebikes Yes Yes Weight 1165g 985g FAQ What is the internal width of this rim?36mm What tyre width is recommended for this rim?2.5""-3"", although wider or narrower tyres may work on these rims, depending on tyre brand. Will my cassette fit?Ensure you order the correct freehub to fit your cassette. Is this a 6-bolt hub?Yes