RUTU 700 x 23-25C,28-32C,35-43C,38-45C Tires Premium Heavy Butyl Inner Tube with 60mm Presta Valve - Road Bike - 2 Pack

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Fitment: - Compatible for most road bikes, gravel bikes, and mountain bikes with tire sizes 38mm-45mm. - Fits various wheel diameters: 700c, 29, and 27.5. - Compatible with sizes: 700x38c, 700x40c, 700x43c, 700x45c, 29x1.5, 29x1.75, 27.5x1.5, 27.5x1.75.

Butyl Rubber Inner Tubes: - High butyl rubber content for superior air retention. Butyl rubber inner tubes can maintain air up to 6 months without leaking. - Traditional rubber's air permeability often requires reinflation every 30-45 days, compared to butyl rubber's extended durability. - Superior shock absorption: Butyl rubber offers more stretch and impact resistance, providing smoother and more comfortable rides.

Enhanced Durability: - Butyl rubber is more impact and heat-resistant, offering up to double the service life of ordinary rubber inner tubes. - Invest with confidence in long-lasting performance.

Package Details: - 2 pack 700x38/45C inner tubes included. - Rubber coated valve stem with enhanced seat seal to prevent sand and dust from entering the inner tube and tire. - Tear-resistant rubber stem seat to extend valve service life.