Proterra Tough i30 wheels keep the trail in check while everything else blurs by in the periphery. Reinforced by WTB's proven Dual I-Beam support, Proterra Tough rims feature a 30mm internal width to provide higher tire volume while also increasing sidewall support at lower pressures. Choose Proterra Tough when you need a wheel that won't let you down.32 SpokesFrequency Hub with top-tier EZO bearings30mm TCS Tubeless compatible rims with 3-cross lacing and brass nipplesItem SpecificationsColorBlackDefined ColorBlackFront Axle15mm Thru x 110mmHub/Brake Compatibility6-Bolt DiscISO Diameter622 / Road / 29"Rim MaterialAlloyRim Width (Internal)30Tire TypeTubeless Ready ClincherValvePrestaWheel Size29" WTB Proterra Tough i30 Front Wheel Front Wheel UPC: 714401452329