The Schwalbe Ron rocket outer tube is an excellent choice for cyclists looking for speed and grip. This tire has low rolling resistance and offers excellent grip thanks to its open profile. What's more, the Ron rocket has self-cleaning properties, meaning cleaning is not often necessary. The tire's special speed rubber compound guarantees rigidity, speed, comfort and durability. The tire is suitable for ATB and MTB bikes and is foldable. Features: - color black - Gender: unisex - Material: rubber (speed addix) - Bike type: ATB / MTB, electric bikes - Wheel size: 29 x 2.25 -Etrto Size: 57-622 - TPI (threads per inch): 127 - Speed: for electric bikes up to 25 km / h - Leak protection: yes (litkin) - Reflection: no - Folding: yes Product specifications: - Size: Etro 57-622 (29 x 2.25 inches) - Type: folding - Rubber compound: Addix Speedgrip - Version: Super Ground - Color: black - Seal: tle - Weight: 645 g - Tire pressure: 1.80 - 3.70 bar (26 - 54 psi) - Max. Tax: 120 kg - Ear: 67 - Item number: 11601018.01