The Slime Self-Sealing Inner Tube 700c x 35–43 mm offers long-lasting puncture protection, ideal for trekking bikes, hybrid city bikes, and e-bikes with 28-inch wheels. The inner tube is filled with Slime anti-puncture fluid that instantly seals small punctures. Thanks to the slim 48 mm Presta valve (SV), the tire is suitable for modern rims with narrow valve openings. An excellent solution for those who want to keep riding worry-free, both in the city and on longer trips.