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Black Diamond Recon BT Beacon vs Petzl Sm'D Twist-Lock Carabiner

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

Petzl Sm'D Twist-Lock Carabiner is the lighter option — 149 g lighter than the Black Diamond Recon BT Beacon (75% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Recon BT Beacon Petzl Sm'D Twist-Lock Carabiner
Weight 200 g · 0.200 kg · 0.44 lb 51 g · 0.051 kg · 0.11 lb
Brand Black Diamond Petzl
Category Safety Safety
Black Diamond Recon BT Beacon
200 g

Bluetooth-enabled avalanche beacon for backcountry travel.

Full details →
Petzl Sm'D Twist-Lock Carabiner
51 g

Lightweight aluminum D-shaped locking carabiner with twist-lock gate, 23 kN major axis, certified CE EN 12275 and UIAA.

Full details →

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Black Diamond Recon BT Beacon vs Petzl Sm'D Twist-Lock Carabiner: which should you buy?

If saving weight is your priority, the Petzl Sm'D Twist-Lock Carabiner wins — at 51 g it is 149 g (75%) lighter than the Black Diamond Recon BT Beacon (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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