Comfort and speed combined. The PR 1600 SPLINE 23 fits perfectly with the new breed of wider road tyre. These wheels bring comfort in the saddle and more grip even when the road turns rougher. The result is a faster, more relaxed ride. Together with the laterally stiff build which uses high-end bladed spokes, the PR 1600 SPLINE 23 lets you tackle even the last climb of the day with enough energy to enjoy the looks of the hubs and to plan your next big ride.   Rim Rim: Alloy, Clincher TL-Ready. Profile: 23mm. Brake Surface: Disc.   Hubs Front Axle: DT 350, 12mm Bolt Thru. Rear Axle: DT 350, 142x12 Bolt Thru. Freehub: Shimano / Sram XDR. Rotor Mount: Centrelock.   Spokes: Spokes: DT Aero Comp, Straight Pull.   Other: Includes: Rim Tape, Tubeless Valves. Weight: 1646g.