Sturmey Archer SX-RK3 3-Sp 170mm Disc Hub 36h - Silver Size-20x7/8 Color Black/Tan Defined Color Black BR3243 MFPN=941142303 RAMP Tube Technology allows Color:SMOKED PAPRIKA IKARI

Sturmey Archer SX RK3 3 Sp 170mm Disc Hub 36h Silver Size 20x7 8 Color Black Tan Defined Color Black BR3243 MFPN=941142303 RAMP Tube Technology allows Color:SMOKED PAPRIKA IKARI Color Black Tan Defined Color Black Flat Protection Tread and Sidewall ISO Diameter 622 Road 29" ISO Width (mm) 35 Labeled Size 700 x 35 PSI 72 TPI 120 Tire Bead Folding Tire Diameter 700c Tire Intended Use Gravel Tire Type Clincher Weight 460 Weight (oz) 16 The F2 model is optimized for firmer and faster snow conditions with longer pressure zones to maximize top end speed and a longer groove to improve stability at high speed on a harder snowpack