Are you looking for a folding tape schwalbe rocket ron performance addix 29x2.25"/ 57-622you'll find more information about this item below. Do you have any questions? Please contact customer service Decathlon.the cross-country rocket combines speed and cornering stability at the highest level. An excellent all-rounder for the racetrack. Profile design: balanced ratio between stable studs and sufficient spaces between studs for excellent rolling properties and fantastic range. product specifications: size: etro 57-622 (29 x 2.25 inch) type: folding tape rubber compound: addix version: performance, tlr skin: twin weight: 715 grams (25 oz) tire pressure: 1.80 - 3.70 bar (26 - 54 psi) max. tax: 120 kg epi: 67 ece: e-25 profile: hs438 inner tubes: 19, 19a, 19f