Black Diamond Index Ascender Recall: Fall Hazard Due to Rivet Failure
Black Diamond recalls Index Ascenders due to a rivet failure risk that can cause detachment from the rope. Stop using immediately and contact for a free replacement.
Stop using this now
The Index Ascenders' rivet holding the toothed cam can release, allowing the Ascender to slide on the rope or become detached from the rope, posing a risk of injury or death to climbers from a fall.
Contact the company & request your remedy
What happened, in plain English
Black Diamond is recalling certain Index Ascenders because the rivet holding the toothed cam may release, allowing the device to slide on or detach from the rope. This defect poses a risk of injury or death to climbers from a fall. Consumers should stop using these items immediately and contact the company for inspection instructions and a free replacement. Read more at govinfonow.com/recall/4172-black-diamond-index-ascender-recall-fall-hazard-due-to-rivet.
Source Summary by GovInfoNow · govinfonow.com/recall/4172-black-diamond-index-ascender-recall-fall-hazard-due-to-rivet · Updated October 11, 2026 · Official notice: CPSC #6737
Cite this page
“Black Diamond Index Ascender Recall: Fall Hazard Due to Rivet Failure.” GovInfoNow, updated October 11, 2026. https://govinfonow.com/recall/4172-black-diamond-index-ascender-recall-fall-hazard-due-to-rivet. Based on CPSC recall #6737 (https://www.cpsc.gov/Recalls/2016/Black-Diamond-Recalls-Climbing-Ascenders).
Why it’s dangerous
The rivet that holds the toothed cam in place can release unexpectedly. When this happens, the ascender may slide along the rope or become completely detached from it, which can lead to a serious fall for the climber.
Who’s affected
Climbers and mountaineers who purchased Black Diamond Index Ascenders (left or right versions) from specialty outdoor stores or online retailers between the manufacturing dates indicated by the codes. Users are at risk of falling if the device detaches while in use.
How to tell if you have this one
Check if you have Black Diamond Index Ascenders (orange with black/gray grip, or silver with black/gray grip) with "Black Diamond" imprinted on both handle sides. Look at the frame for a manufacturing code between 4356 and 6015; only units with an unformed rivet need to be returned.
- Brand
Black Diamond- Product
Black Diamond Index Ascenders for climbing- Category
Consumer product
What to do — step by step
Stop Using Immediately
Cease using the recalled ascenders right away to prevent potential detachment from the rope.
Inspect The Rivet
Check the frame for a manufacturing code between 4356 and 6015 and inspect the rivet holding the toothed cam for signs of being unformed.
Contact Black Diamond
Call 800-775-5552 (Mon-Fri, 8 a.m. to 5 p.m. MT) or email recall@bdel.com for instructions on returning the product for a free replacement.
What CPSC says to do
Consumers should immediately stop using the recalled ascenders and contact Black Diamond for instructions on inspecting and returning the product for a free replacement. Instructions for inspection are also available at https://warranty.bdel.com/IndexRecall/Landing. Only those ascenders having an unformed rivet need to be returned for replacement.
Where it went
Where it was sold
Sold nationwide.
CPSC “Sold at”: “Eastern Mountain Sports, Moosejaw Mountaineering, Outdoors Inc., REI, Sport Chalet, and other specialty outdoor stores nationwide and online at Backcountry.com and BlackDiamond.com and for about $80.”
Sold nationwide.
Questions people ask
Where were these products sold and when?
They were sold at retailers like Eastern Mountain Sports, Moosejaw Mountaineering, REI, Sport Chalet, Backcountry.com, and BlackDiamond.com for about $80.
Contact Black Diamond
We’ve drafted a message you can send Black Diamond to request your refund or repair — edit it as you like.
Subject: Recall 6737 — Black Diamond Index Ascender Recall: Fall Hazard Due to Rivet Failure Hello, I own a Black Diamond Index Ascender Recall: Fall Hazard Due to Rivet Failure that is covered by recall 6737 from Black Diamond. The official recall notice states: Consumers should immediately stop using the recalled ascenders and contact Black Diamond for instructions on inspecting and returning the product for a free replacement. Instructions for inspection are also available at https://warranty.bdel.com/IndexRecall/Landing. Only those ascenders having an unformed rivet need to be returned for replacement. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official CPSC recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: CPSC Recall #6737 (May 19, 2016)
- Plain-language summary written by qwen3.6:35b-a3b on October 11, 2026, from the official record above. Not reviewed by a person — if it conflicts with the CPSC notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official CPSC recall data; we don’t issue, amend or administer recalls.