SKU: 76820441643

Ronstan RF55101 Series 55 Orbit Single Block

Sale price$46.34 Regular price$51.49
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Description

Ronstan RF55101 Series 55 Orbit Single BlockRonstan RF55101 Orbit Block. Designed for applications where weight is of paramount importance. The securing loop is easily changed and we suggest that you use either a forged eye or shackle to secure the block as pressed steel fittings can be sharp and will prematurely wear the rope mounting. General Range Information: Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Easily fitted and securely

Ronstan RF55101 Orbit Block. Designed for applications where weight is of paramount importance. The securing loop is easily changed and we suggest that you use either a forged eye or shackle to secure the block as pressed steel fittings can be sharp and will prematurely wear the rope mounting.

General Range Information:

  • Ultra Lightweight
  • Low friction 2-stage Orbital ball bearing system
  • Highest working load in its class
  • Easily fitted and securely retained Dyneema Link head
  • Low profile and compact
  • High performance cleating
  • Sheave Diameter 55mm

Technical:

  • Sheave Diameter 55mm
  • Maximum Rope Diameter 10mm
  • Maximum Working Load 500kg
  • Breaking Load 1000kg
  • Weight 68g

Materials:

  • Ball bearings - High compression strength carbon black Acetal
  • Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
  • Frame/Cheeks - Toughened, glass fibre reinforced Nylon
  • Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema

Applications:

  • Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
  • Spinnaker sheets on dinghies, sportsboats and small keel boats to 9m (30ft)
  • Halyard, Vang and Backstay application on boats to 8m (26ft)
  • Control line applications on larger yachts
We recommend using the RF613S shackle to securely attach the block to the existing deck eye on your boat. This helps the block maintain maximum freedom of movement and reduces the risk of wear on the Dyneema loop due to sharp edges on the deck eye, then use the 8072 Rubber Boot to keep the block upright and provide a neat finish. See related items.
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: 76820441643

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4.1 ★★★★★
Based on 16 reviews
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Slade
Pawtucket, US
★★★★★ 5
My 1st peep at Peet’s
Flavor Name: Major Dickason's Blend, Size: 18 Ounce (Pack of 1), Flavor Name: Major Dickason's Blend, Size: 18 Ounce (Pack of 1)
I believe that coffee/espresso is a lifelong journey around the world in search of that perfect bean. This coffee is one of few we enjoy. Consistent flavor, true Aroma Therapy whether I grind for Drip, Perculator or Espresso, the flavor profile remains the same. Bravo! 🇺🇸
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Reviewed in the United States on May 15, 2026
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Warren Patrick McLemore
Lexington, US
★★★★★ 5
My Go-To Everyday Joe
Flavor Name: Major Dickason's Blend, Size: 18 Ounce (Pack of 1)
Very rich coffee and not acidic!! So many of the lighter roasts I have tried have a high acidity and I admit maybe I am sensitive to it. Bit this Peet's blend is very consistent, dark roast perfection, flavorful and rich. I am very impressed! Great beans! Cheaper than buying direct from Peet's too.
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Reviewed in the United States on February 28, 2026
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Patti
West Palm Beach, US
★★★★★ 5
Great coffee
Flavor Name: Major Dickason's Blend, Size: 10.5 Ounce (Pack of 1)
Nothing quit like Peets Major Dickinson's whole bean coffee!
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Reviewed in the United States on May 15, 2026
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Avid-Amazonian
Waukegan, US
★★★★★ 5
Excellent Coffee - A World Class French Press
The unit is elegantly styled and durable. The double wall is noticeable and keeps the coffee hot for multiple cups. I love the fact that every component is stainless steel - no plastics in the product at all. The unit is easy to clean and dishwasher safe. I would gift this to my coffee connoisseur friends!
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Reviewed in the United States on April 19, 2026
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puppetgirl
Phoenix, US
★★★★★ 5
So many things to LOVE - you should buy it.
So glad I bought this french press!! I am honestly surprised it wasn't more expensive for this quality. My beverage stays very hot while brewing (that was a problem with my old glass one). I typically transfer to a travel mug so not sure how long it would stay hot but my guess is a long time. The double wall all stainless steel retains heat, is very well made and sturdy. I don't have to worry about glass cracking when I add boiling water (my old one cracked) . I also have no fear of dropping it because it is so solid but I don't think I will drop it because the handle is so easy to hold and sturdy. It pours well, no dribbling and I love the coffee bean picture on the lid that shows you how to turn the lid to pour it. My FAVORITE feature is the measurement markings inside. Why don't all French presses have this!!! There is a bit of resistance and a little metal on metal noise when you depress the filter which might bother some people. It is metal on metal and it is a snug fit so you have to push slowly...like 5 seconds instead of 2-3 but it means zero grounds in your cup. It keeps me in the moment and is still easy to use. Also cleans up easily and looks very nice. I would recommend to everyone. I LOVE it. UPDATE: I have been using basically daily for 2 months and still LOVE it. Works and acts like new. The metal on metal noise disappeared after 2-4 weeks. I am not really sure when. one day I just suddenly realized it wasn't making that noise anymore. I would 100% buy it again if I needed another one.
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Reviewed in the United States on February 22, 2026

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