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ACR Electronics Bivy Stick vs Petzl Grigri+

Weight and specs compared for 2026 — and which one to choose.

ACR Electronics Bivy Stick is the lighter option — 100 g lighter than the Petzl Grigri+ (50% less weight). If grams matter to you, that is the one to beat.
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Spec ACR Electronics Bivy Stick Petzl Grigri+
Weight 100 g · 0.100 kg · 0.22 lb 200 g · 0.200 kg · 0.44 lb
Brand ACR Electronics Petzl
Category Safety Safety
ACR Electronics Bivy Stick
100 g

Compact two-way satellite communicator with SOS, GPS tracking and app-based messaging over the global Iridium network.

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Petzl Grigri+
200 g

Assisted-braking belay device for via ferrata and climbing.

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ACR Electronics Bivy Stick vs Petzl Grigri+: which should you buy?

If saving weight is your priority, the ACR Electronics Bivy Stick wins — at 100 g it is 100 g (50%) lighter than the Petzl Grigri+ (200 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest safety page, or browse the full gear weight database.

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