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Grivel Rambo 4 Cramp O Matic

Rambo 4 2021


My vote: None ( 4.5 avg )


Our range’s most technical crampon is now at its fourth evolution, integrating Grivel’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.
Rigid crampon with anatomic curve. Asymmetrical forged mono-point, extremely easy to substitute with just one screw, integrated with a half point external lateral support point: a new solution for external support.
Structure in rigid plastic acts as a spacer for the screws and as support for the supple rubber anti-balling device.
Accordeon in supple rubber holds together the front and rear parts of the anti balling system.
Four retention points for descent. Moveable spur.
Completely patented.

Retail price

US$ 259.99
Weight per Pair (g / oz)

Weight per Pair (g / oz)

In grams and ounces, the weight of both crampons together, as stated by the manufacturer/brand.

If there are differences in weight (due to multiple sizes or optional accessories) we'll note those here.

1125 g / 39.68 oz­
Ideal Uses Waterfall Ice Mixed (Rock & Ice) / Dry Tooling
Binding System Automatic
Sizing 38-48
Front Points Vertical Mono / Dual ­
Front Point Offset Yes, Adjustable
Number of Points 11-12
Main Material Chromolly Steel
Wear Indicators No
Anti-Ball Plates Included­
Crampon Case Sold Separately (see the case here)
Heel Spur Attachment None made for this model­


The main climbing gear certifications are CE and UIAA--and normally the UIAA creates the rules that the CE body also supports. When possible, we try to list all the certifications the product carries.

To sell a climbing product in Europe, the device must be CE certified. There are no official requirements to sell climbing gear in the US. The UIAA certification is a voluntary process.

Learn More

Rock and Ice Certifications Guide
Crampon Acces. Ref

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These monster fangs have a big-ass monopoint and removable heelspur, plus a second half-size frontpoint outboard from the mono and a third vestigial mini-point inboard. Length and points are single-screw adjustable, and the asymmetric footprint that seems too extreme nonetheless matches most boots. Integrated anti-balling plates and a simple yet solid clip system, with little shock-absorber coils in the front bail, round out the package.

Features of Grivel Antibott
Grivel Binding Systems
Sharpening Your Crampon

This video shows how to sharpen your crampon correctly.