16 Inch Bike Inner Tube by Welead is made from high-quality rubber and designed for e-bikes and cycles using 16×2.50 tyres. It comes with a bent US Schrader valve (32mm) for easy inflation and a secure fit, especially on small wheels. Features: • Puncture-resistant and compact design • Anti-ageing rubber for long-lasting durability • Water-tight construction for reliable use in all conditions • Strong air-tight seal with minimal risk of air leakage . Environmentally friendly and recyclable