HTZ i35 wheels are optimized for your e-assist MTB trail bike; ready for more distance, more laps, more climbs and more descents. With all those "mores" also comes more weight, continually bashing on the components of an e-bike. In order to overcome the increased forces induced by the technological progression of modern e-bikes, WTB designed the HTZ wheels to be reliable, sturdy and safe; keep riders, rolling. Capable of withstanding the forces of a modern e-bike, HTZ rim walls are 25-30% thicker in comparison to those of standard rims TCS 2.0 Tubeless ready, for a dependable tubeless system HTZ hubs feature a heat sink attached directly to the 6-bolt rotor mount to dissipate heat and reduce brake fade while using oversize 220mm rotors Double-stacked Enduro sealed bearings to further increase stiness and extend bearing life Specifications ColorCarbonDefined ColorBlackDesigned for ebikeYesFront Axle15mm Thru x 110mmHub/Brake Compatibility6-Bolt DiscISO Diameter584 / 650b / 27.5"Rim Width (Internal)35Tire TypeTubeless ReadyValvePrestaWheel Size27.5"