One wheel to rule all roads. Road light, off-road tough, smooth as butter, Terra CLX BOOST wheels bring leading-edge performance to the diverse needs of mixed-terrain rides. These are the lightest gravel wheels on the market. They sport 25mm internal-width rims, deliver a durable and exceptionally smooth ride, are compatible with 28-42c tires with up to 90 PSI, 110x12 and 148x12mm thru-axle, and they come with a lifetime warranty and no-fault crash replacement. Rim Type: Carbon Clincher, tubeless-firstRim Material: Advanced Carbon CompositeRim Width (internal): 25mmRim Depth: 32mmRadial/Two-cross (2:1) Front and One-cross/Two-cross (2:1) RearSpoke Count: 24F and 24RSpoke Type: DT Swiss Aerolite T-headNipple Type: DT Swiss Pro Lock Alloy hexagonalRight/Left: 276mm/274mm Front Drive-Side/Non-Drive: 272mm/277mm RearHub: Roval AFD2, Centerlock, 110x12mm thru-axle end cap, DT Swiss EXP internals, 148x12mm thru-axle end cap