Ronstan
S55 BB Orbit Block,Quad Becket Swivel
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S55 BB Orbit Block,Quad Becket Swivel
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Ronstan
S55 BB Orbit Block,Quad Becket Swivel
No reviews yet
Part Number:
Features
- Swivel shackle head for unlimited block rotation.
- Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points.
- Single inner cheeks on multi-sheave blocks for reduced weight and bulk.
- Ultra low profile integrated becket.

Applications
- Mainsheet systems and spinnaker sheets on dinghies, catamarans, sportsboats and small keel boats to 9m(30ft).
- RF55410 when paired with a RF56330B and a RF45201 lashed to the becket with a RF9004-09, produces a powerful 9:1 mainsheet system for use on catamarans to 5.5m(18ft). 8mm(5/16) rope recommended.
- Halyard, vang and backstay applications on boats to 8m(26ft).
- Control line applications on larger yachts.

Construction
- Swivel shackle head fitting: grade 316 stainless steel.

Sheave Diam: 55mm
Max Rope: 10mm
M.W.L: 750kg *2
B.L.: 1500kg
Weight: 316g

*2 Total block load. Load on becket not to exceed 33% on block load. i.e. MWL 250kg(550lb), BL 500kg(1100lb).

After ordering online, you will receive an automated email confirmation containing your order details. Your order will then be confirmed within a few minutes of placing your order.

It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example, chain may come by road, some electronic equipment by air.


Most orders are shipped within 2 - 5 Days

Shipping rates

Orders delivered to Australian Post Codes under $499 attract an $18.00 shipping charge.

Orders of $499 or more ship free.*


For Remote areas and bulky items. If the cost to send is vastly different to our standard delivery costs, someone from our team will contact you prior to dispatch to arrange further payment or to issue a refund if you are not happy with the additional charges.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

Should you have any queries or concerns about shipping, please don't hesitate to get in touch by clicking the support button on bottom right of the page.