A grinder session on the NOHrD upper body erg is likely one of the best workouts you’ve never tried. Consider that the fastest sailing crews belong to the world’s top athletes,demonstrating herculean levels of core, arm, lower back strength and incredible stamina.Train like the pros and take on this coreshredding exercise. The WaterGrinder’ssmooth and even water resistance will leave you feeling close to the seas. Specifications Dimensions (h x l x w): 120 x 110 x 80 Weight: 50kg Max. weight limit: 120kg Max. water limit: 20L Exercise setting positions: 10 (sitting/standing) Handle crank setting positions: 8 Performance monitor included: yes (swivels to each side) Mains power required: 230 V two-pin plug for 5 V performance monitor Connection cables: 2 m incl. adapter