Wheels machine built and hand finished in BarnoldswickFortus 26 rim built on Hope's bullet proof Pro 4 HubsStandard J-bend hub wheel buildLarger diameter spoke flange, to build stiffer wheelStainless Steel, sealed cartridge bearingsWelded and eyeleted 6061 T6 aluminium rimTubeless compatible (requires tape and valves)Black Sapim Race Stainless Steel double butted spokes built with Silver Brass nipplesInternal width: 26mmExternal width: 31mmProfile depth: 20mmRim ERD: 562mmRecommended tyre width: 2.25 - 2.5Spoke count: 32Rim only weight: 27.5 - 545gWheelset weight: 2040gBoost: 148x12mm hub spacingShimano Microspline cassette fitting