The ultimate addition to any XC mountain bike set up, the Black Inc TWENTY SEVEN wheels offer a race ready lightweight performance and combine it with a long term durability that will ensure your rig can keep rolling from 24-hour marathon to 100 mile mountain bike races. The 29-inch Black Inc TWENTY SEVEN cross-country specific mountain bike wheels have been designed with the strength required to withstand everything modern technical race courses offer and riders demand. They have a best-in-class weight with a 27mm inner rim width that can easily accommodate a 2.4-inch tire. Specifications: Compatibility: Shimano HG 11/12 speed cassette SRAM 13 speed cassette Weights: Shimano 1630g (Front: 723g, Rear: 957g) Spokes: 28 Pillar SR X-TRA 1424 Aero Butted straight pullSpoke Pattern: 2x/2xNipples: Pillar External Brass DSN 16 mm typeFront & Rear Hubs: HU-06B Alloy BodyHub Width: Front: 110mm / Rear: 148mmFront Axle: 15mm Thru AxleRear Axle: 12mm Thru AxleBearings: Stainless SteelBrake Interface: Center LockASTM Classification: Level 3Material: High Modulus Carbon Fiber (T-700/ T-800)Finish: UD matte glossy clearcoatType Interface: Tubeless & HooklessType Compatibility: TubelessRecommended Tire Size: 29 x 2.25″Rim Height: 27mmRim Width: Internal 27mm / External 33mmDecals: Water TransferAssembly: The TWENTY SEVEN disc brake wheels are hand built by artisanal wheel builders and inspected with the latest electronic machines. This process gurantees that every single wheel's quality, performance and reliability. Included Accessories: Tubeless Valves Tubeless Tape Valve Extensions (Presta) Valve Core Removal Tool
