Kenda Flintridge Pro Tire 700 x 35 Tubeless Folding Coffee Sidewall 120tpi GCT Model=Pulley Assemblies If cross country means high If cross country means high speed after work rides and the occasional endurance race to you then have a closer look at the XR 1700 SPLINE wheel }RockShox CSU Reba Solo Air 29" Tapered Aluminum Steerer Diffusion Black A7 120mm Color Black Brown Flat Protection Tread and Sidewall TPI 120 Weight 480 Defined Color Black ISO Width (mm) 35 ISO Diameter 622 Road 29" Tire Intended Use Gravel Tire Intended Use Cyclocross Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 35 Tire Type Tubeless Ready Clincher PSI 50 The Flintridge shifts from the fast rolling center to the grippy transition and shoulder knobs for control in loose rock and even mud