TPU is a thermoplastic polyurethane elastomer, which is a lightweight and puncture-resistant material Standard model of TPU tube Can be considerably lighter than regular tubes Excellent rolling resistance, compact and convenient to carry Puncture-resistant performance is also excellent
Color: White Size: 45mm Material: Rubber Wheel size: 28 inch Packing size : 18.6 x 6.3 x 4 cm; 40 g
