MOTO Technology arms gravel cyclists with more control and durability over harsh terrain, providing a smooth ride quality that helps reduce fatigue. Single-wall rim construction provides excellent compliance and vibration damping. Less fatigue, allows you to ride longer and faster. 27mm wide internal profile for tires from 30mm to 50mm+ ZR1 hubset Lifetime Warranty SRAM Model ID: WH-101-XPLR-A1 Attributes Axle Type 12mm TA Freehub Body SRAM XD-R Hub Model ZR1 Disc Hub Spacing 142mm Position Rear Rim Construction Single wall Rim Drilling 28 Rim External Width 36mm Rim Internal Width 27mm Rim Material Carbon Rim Model 101 XPLR Spoke Type Sapim CX-Sprint Valve Presta Wheel-Brake Comp. Disc Center Lock Wheel Diameter/ISO 700C / 622 Wheel Tire Type Tubeless Ready Rim inner width range 22-27.9mm