SKU: 82022214780

Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B171 boom section (2008 -)

Sale price$347.22 Regular price$385.80
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B171 boom section (2008 -)Upgrade from slab reef to the convenience of Single Line Reefing. This kit is for B171 booms made 2008 and later. Check the article number of your boom end (aft part). If it is 500 041 this is the right kit for your boom. Instant reefing with Single Line Reef Single Line Reef is made practical and reliable by Seldn. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at

Upgrade from slab reef to the convenience of Single Line Reefing. This kit is for B171 booms made 2008 and later. Check the article number of your boom end (aft part). If it is 500-041 this is the right kit for your boom. 

Instant reefing with Single Line Reef

Single Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.

The kit contains:

  • ø10 mm white/blue 32/3 Polyester line for reef 1. 6+ 25 m
  • ø10 mm white/red 32/3 Polyester line for reef 2. 6 + 38 m
  • 2 composite Single Line sliders that run in tracks inside the boom.
  • 2 reef shackles
  • 6 composite sheaves for your outboard- and inboard boom ends.
  • 2 ø10 mm x 39 mm shafts
  • Instructions
     

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82022214780

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Fabio Arenas Parra
Phoenix, US
★★★★★ 5
AAA
Color: Anthracite
Calidad insuperable, 10/10
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Reviewed in the United States on May 1, 2023
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Kyle G
Cuba, US
★★★★★ 5
Great, comfortable jeans.
Special Size: Low Stretch, Size: 34W x 30L, Color: Dark Midnight Wash
Great jeans! They're relaxed, but not loose or super baggy, so they still look great. I got the dark wash and you can wear them as dressy jeans or just casual out and about. I have bigger thighs and the 34x30 fits perfectly with room still to spare and not constricting at all. Whether it's walking around a lot, or sitting down for hours, it's very comfortable. We'll see how long they last but I washed them once already and are holding up. The length is good as well. When I don't have shoes I probably need a belt or could've ordered 29 length, but they're fine when I have shoes on. They don't slip down at all. Especially for the price compared to Levi's or others that cost 40, 50, or even $60 this is a great deal.
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Reviewed in the United States on November 12, 2025
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Christopher Burwell
New York, US
★★★★★ 5
If you’re on the fence read this
Special Size: Low Stretch, Size: 40W x 30L, Color: Iced Light Wash, Special Size: Low Stretch, Size: 40W x 30L, Color: Iced Light Wash
In all honesty, I was skeptical about ordering jeans from Amazon. I’ve always bought my jeans in stores, but I figured I’d give it a shot. I ordered these jeans for an upcoming outdoor wedding because I wanted something lighter and thinner. They showed up today, and I threw them on. They fit great, feel good and comfortable, and they don’t look cheap. I’ll mainly be using these for outings, so I can’t really attest to the durability as far as working in them, but I’d still suggest them. For reference, I’m 5’8” and 230 lbs with a husky build—kind of fit, kind of fat.
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Reviewed in the United States on March 12, 2026
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Jack
Louisville, US
★★★★★ 5
These are great jeans
Special Size: Low Stretch, Size: 34W x 28L, Color: Grey Wash
These are great jeans for the price especially
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Reviewed in the United States on May 3, 2026
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Snazzy74
Draper, US
★★★★★ 4
Run big
Special Size: Rigid, Size: 40W x 30L, Color: Medium Blue Vintage
Bought for my husband and very loose in butt and legs and he's normally that size so maybe buy a size down
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Reviewed in the United States on April 22, 2026

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