Whether you’re attacking epic climbs or speeding over cobblestones, the r 5 disc will help you survive, thrive & dominate. This ultra-lightweight race machine sets new benchmarks for performance, usability & confidence-boosting control thanks to integrated disc-brake technology, a new pro fit, unrivalled stiffness, stable & responsive handling, & myriad aero enhancements. Ensures ytheir frame is compatible with all current & future derailleur & brake systems. Tough, compression-molded dropouts save weight with no sacrifice in strength compared to traditional metal dropouts. The fork steerer’s diameter has a noticeable effect on a bike’s handling. Evolved steerer design applies the diameters & taper designs that best suit each model.