Atomic’s Redster J2 is a children’s piste ski aimed at young racers and kids building carving skills. Offered in lengths from 130 to 150 cm, it comes complete with the Atomic L C 5 GW CA binding so families can kit out their young skiers and head to the slopes without extra fuss.
In the 140 cm length the Redster J2 features a 12 m radius and a sidecut of 109.5 / 68 / 90.5 mm, making it easier for lighter skiers to initiate and hold carved turns on groomed runs. At just 1,027 g per ski, it’s light enough for kids to swing through turns without tiring too quickly. The included L C 5 GW CA binding offers reliable step-in performance and secure retention, keeping boot-to-ski connections simple.
Radius is the circular arc a ski naturally follows when tilted on edge—a 12 m radius at 140 cm creates shorter, tighter turns, which helps youngsters learn carving. Sidecut numbers (tip/waist/tail) describe how the ski tapers: a wider tip and tail with a narrower middle lets the ski bite into the snow on turn entry and exit for smoother transitions.
Product specifications
| Binding | Atomic – l c 5 gw approx – red-black – 75 mm – ad500128875 |
|---|---|
| Radius | 12m (140 cm) |
| Sidecut | 109.5 / 68 / 90.5 (140 cm) |
| Weight | 1027 gr/ ski (140 cm) |






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