Grivel Rambo 4

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Description

The Rambo 4 is a crampon made by Grivel. It has an average rating of 4.5 stars (out of 5), based on 1 user review.

Here's what other sites are saying:

From Moosejaw:
"Free Shipping. Grivel Rambo IV Crampon (Fall 2007) Our range s most technical crampon the Rambo IV by Grivel 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."

From Backcountry.com:
"The Grivel Rambo Evolution 4 Crampons use a monopoint design to allow precise footwork on mixed ground and a shorter secondary point to increase stability on pure ice. Combine this point configuration with a rigid frame design, and the Evolution 4 Crampons show their true colors as serious tools for technically demanding ice and mixed climbing. A removable heel spur gives these Grivel crampons an advantage on ultra-steep mixed terrain. This latest evolution of the always-popular Rambo crampons also includes an integrated active anti-balling system to keep snow from building and destroying your traction."

From REI:
"REI Members: Save 20% on One Full-Priced Item. Ends 3/30/08 Code: MEMDEAL Updated to offer simplified adjustments and greater versatility, the Rambo IV crampons are unbeatable when it comes to vertical ice. Straightforward, easy customization: One screw sets length, one screw substitutes the mono-point, and one screw sets the heel spur. Rigid, hot-forged chromolly steel holds sharp points and is used in the interchangeable front points and heel spurs. Asymmetrically curved shape fits modern climbing boots. Four points under the heel offer added security for descents. Tried-and-true step-in system is easy to set and adjust. Latex anti-balling plates prevent unsafe snow build-up beneath the crampon and stay flexible in cold conditions. Accordeon latex tubes accommodate the adjustment of anti-balling plates when sizing crampons to your boots. Adjustment tools included."

From Altrec Outdoors:
"In 1992 Grivel refined Greg Lowe's idea of a rigid rail underfoot expressed in Lowe Footfang crampons, which were very advanced for their time (1972) by hot-forging the frontpoints of the Rambo crampon. Forging allowed Grivel to remove steel where it wasn t needed, reinforce it where it was, and create an aesthetically pleasing and utilitarian shape. Besides being far more rigid than stamped points, forging permitted an exaggerated 3-dimensional profile that prevented shearing through snow and rotten ice. These frontpoints, combined with vertical axis side rails formed a solid rail underfoot to improve penetration and reduce vibration. Rambo quickly became the reference point for all waterfall ice climbing crampons but also gained favor on steep, technical alpine routes despite a propensity to balling-up. Over the years Rambo was refined in the Rambo Comp and eventually Rambo Evo. Both models were lighter than the originals and shaped asymmetrically to fit the curved soles of modern boots. The rearward facing tertiary points allowed one to pull in on steep terrain without the need for a heel spur. The fourth evolution integrates the proven active anti-balling system, simplifies adjustment and modernizes point configuration. The anti-bott and Accordeon are built in to the system to prevent snow from building up underfoot. Three single bolts allow length adjustment, frontpoint replacement or heel spur removal respectively. Rambo 4 is a mono-point crampon that features a half-length support point to improve stability without affecting penetration. Aggressively featured tertiary points face the rear to provide maximum bite and versatility. Four points are oriented perpendicularly to the axis of the side rail points to increase security while descending. Rambo 4 is patented."

User Reviews

Rambo 4
Reviewed by Jason Jones, Nov 26, 2007

"I have used the Rambo line since it started. This revamp is great for fast outfitting and quick tweaks out on the ice. Climbs great, stiff platform, aggressive, and my choice for steep and long ice. The built in flexible anti-bots work great. I don't have any complaints, the best water ice crampons around."

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