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Grivel Rambo 4 Cramp-O-Matic

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Grivel’s most technical crampon is now at its fourth evolution, integrating the company’s active anti-balling plate and simplifying all adjustments: just one screw to adjust the length; just one screw to substitute a point; just one screw to position the spur.

This is a rigid crampon with an anatomic curve. It has an assymmetrical forged mono-point that is easy to substitute with just one screw, integrated with a half point external lateral support point. Structure in rigid plastic acts as a spacer for the screws and as support for the supple rubber anti-balling device. Accordioned supple rubber holds together the front and rear parts of the anti balling system.

  • Four retention points for descent
  • Moveable spur
  • Rigid, chromoly steel
  • Weighs 41 oz a pair