Patents mean added value, innovation, exclusivity. Discover the essence of ATK® patented systems! Up hill Hardness Variator ® : the uphill mode locking hardness variates by increasing the pressure on the locking system. This system is an exclusive privilege of the RT,R12and FR14 families. A multi- position selector is placed between the front lever and the toe piece base plate. By changing the the selector setting, the uphill mode locking hardness variates by increasing the pressure on the locking system.
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