Roller-ski RSE-630 were developed for people who want to improve their technical skills on roller ski. They were made for people who want to increase their potency level. This initiation and training product has an aluminium frame offering lightness and resistance. It gives beginners a steady and comfortable ski to make them improve easily. Sold by pair. Technical characteristics: Frame: Alloy Aluminum 6061. Weight (one ski with wheels, without binding): 1100 g. Length: , 630 mm (axle to axle). Forks: Monoblocks, alloy Aluminum 6061. Clearance frame-ground: 1" 1/8, 29 mm. Clearance skiboot-ground: 2" 5/8, 66 mm (bindings Rottefella). Wheels: medium wheels 76-50. Bearings: ABEC Waterproof. Bindings: NNN. Important information: Please read the press release.