20 x 1,75 x 2,125 bambino/junior bicicletta BMX-Cartella-Triciclo tubo interno Schrader
BMX - Folding Bikes - Tricycle. CHILD'S / JUNIOR BICYCLE INNER TUBE. Valve type: Schardar (also known as AV / Car type valve). 20 x 1.75 (ETRO 47-406). 20 x 1.95 (ETRO 50-406). 20 x 2.10 (ETRO 54-406).