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.Rim Type: Carbon Clincher, tubeless-first,Rim Material: Advanced Carbon Composite,Rim Width (internal): 25mm,Rim Depth: 32mm,Radial/Two-cross (2:1) Front and One-cross/Two-cross (2:1) Rear,Spoke Count: 21F and 24R,Spoke Type: DT Swiss Aerolite T-head,Nipple Type: DT Swiss Pro Lock Alloy hexagonal,Right/Left: 276mm/274mm Front Drive-Side/Non-Drive: 272mm/277mm Rear,Hub: Roval AFD2, Centerlock, 110x12mm thru-axle end cap, DT Swiss EXP internals, 148x12mm thru-axle end cap,Assembly Method: Handbuilt,Extras: Roval padded wheelbag, Roval tubeless rim tape and valves (pre-installed).