Ecovelò 2 Tyres 12 1/2 x 1.75 1/4 (47 203) + Tubes with Valve America Rubber for MTB Bicycle Child, Unisex Adult, Black, One Size

2 Ecovelò tyres 12 1/2 x 1.75 x 2 1/4 (47-203) + air chambers with American valve (Schrader) Studded tyres for children's bicycle, MTB child, mountain bike Air chambers with V.A. (included) made of butyl, a type of synthetic rubber that is very elastic and at the same time airtight. They have extreme characteristics in terms of air retention and elasticity and can be used for a wide range of tire sizes. The Ecovelò tyre consists of four key elements: casing (frame), headband for stable positioning on the rim, rubber tread (mixture), puncture protection (except for those special ultra-light and sporty ones, where this feature is intentionally eliminated). For any information or clarifications, before purchase, or for post-shipment problems (delayed delivery, defects or postumal damage, etc.) please contact the seller's customer service with a message to the seller on Amazon.