Retrospec Bicycles Mantra Fixed-Gear/Single-Speed Wheelset with 700 x 25C Kenda Kwest Tires and Sealed Hubs Stars Brand Lightweight Alloy 43-millimeter, double-wall Super Deep V Rim New Retrospec High-Flange Sealed Bearing Hubs ride smoother, last longer, require less maintenance; Include flip-flop hub in back; Ride fixed or free Includes Kenda Kwest Tires, the perfect commuter tire designed with smooth rounded tread with large water dispersion grooves Perfect for your fixed-gear, single-speed, commuter, track bike, or road bike Aerodynamic, lightweight and hand-built to last