racing ralph performance super race folding

The perfect racer, thanks to its perfect combination of speed and grip. The Racing Ralph works perfectly on the rear wheel in combination with Rocket Ron. Tread design features a low tread depth in the central tread for high speed and low weight. * Numerous grip edges in the tread center for super traction and excellent acceleration. * Distinct shoulder studs for excellent lateral grip. * Good rolling properties and extremely quiet. PERFORMANCE Folding Version: With Twinskin extra rubber coating. **Features:** * E-BIKE READY: For motor assist up to 25kph * SIDEWALLS: TwinSkin which is an additional rubber coating to protect against cuts * Pressure: 1.80 - 3.70 Bar * Maximum load: 120kg * TPI: 67 TPI *WEIGHT: 680g **ETRTO:** * SCM520: 60-622 * SCM521: 57-622