SKU: 56802159545

Ronstan Series 25 Orbit Ball Bearing Block Lashing Head

Sale price$12.58 Regular price$13.98
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

Ronstan Series 25 Orbit Ball Bearing Block Lashing HeadSeries 25 Ball Bearing Orbit Blocks, delivering superior strength, reduced weight, and exceptional performance for high demand dinghy and small boat applications. Designed with competitive sailors and performance boats in mind, these compact 25mm blocks are engineered to achieve the highest possible strength to weight ratio. Featuring Ronstans renowned high compression strength acetal bearing system, the Series 25 BB Orbit Blocks are a lightweight yet

Series 25 Ball Bearing Orbit Blocks™, delivering superior strength, reduced weight, and exceptional performance for high-demand dinghy and small boat applications.

Designed with competitive sailors and performance boats in mind, these compact 25mm blocks are engineered to achieve the highest possible strength-to-weight ratio. Featuring Ronstan’s renowned high compression strength acetal bearing system, the Series 25 BB Orbit Blocks™ are a lightweight yet durable solution, ideal for control line systems such as mainsheet and spinnaker sheet turning blocks, cunninghams, and cascading vangs on dinghies up to 4 metres.

  • 2-stage ball bearing system
  • Suits up to 8mm lines
  • Hollow hub for becket take-off
  • Lashing blocks suit up to 4mm lashing
Sheave 25 mm
Maximum Rope  8 mm
Sheave Material Acetal
Maximum Working Load 250 kg
Breaking Load 550 kg
Weight 14g


Please Note:
Both the MWL & BL are dependent on the strength of line used to lash the block through the central hub. Knots, splices, stitching will generally have a lower BL than the line itself.

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: 56802159545

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Amazon Customer
Chelsea, US
★★★★★ 5
Perfect
This is perfect for steaming my milk for lattes at home
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Reviewed in the United States on July 18, 2025
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W. Johnson
Cuba, US
★★★★★ 5
Perfect
Perfect for making lattes
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Reviewed in the United States on May 21, 2025
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Kindle Customer
Dallas, US
★★★★★ 5
Standard, good deal!
The frother cup is great! It is just as I remember them from my days as a barista. It seems to be standard size, and fits well with my Breville. I definitely need some lessons on steaming milk though!
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Reviewed in the United States on January 22, 2026
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Ulises Ramos
Port Orchard, US
★★★★★ 5
Buenos y muy útiles
Very good and very fast
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Reviewed in the United States on May 23, 2026
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Nicey Green
Port Orchard, US
★★★★★ 5
Milk steaming
Love it works great
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Reviewed in the United States on June 2, 2026

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