copertone schwalbe racing ray 29x210 addix speedgrip Grassi e Gel Ultegra ST-6800 / 5800 /

Ultegra ST-6800 / 5800 / 4700 / 4703

e durata sempre maggiori

5" di larghezza e senza battistrada

Wahoo inserts available

Bead: Flexible

copertone schwalbe racing ray 29x210 addix speedgrip Grassi e Gel Ultegra ST-6800 / 5800 /The SCHWALBE Racing Ray tire with flexible bead combines cornering grip and control. Use it on the front wheel together with the Racing Ralph rear for a perfect result in Cross Country races. The staggered central knobs and robust side blocks with an open intermediate zone ensure precise trajectory, safe cornering, and good braking control. The Addix Speedgrip rubber compound combines speed, grip, and long durability. The Super Ground model is