![Ronstan Series 25 Ball Bearing Orbit Block - Lashing [RF28109]](https://cdn.shopify.com/s/files/1/0855/3916/0358/files/110654XL.jpg?v=1758855033)
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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Description
Ronstan Series 25 Ball Bearing Orbit Block - Lashing [RF28109]Series 25 Ball Bearing Orbit Block Lashing Single sheave ball bearing block with becket and lashing head. The Series 25 Ball Bearing Orbit Blocks deliver 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
Series 25 Ball Bearing Orbit Block™ - Lashing
Single sheave ball bearing block with becket and lashing head.
The Series 25 Ball Bearing Orbit Blocks™ deliver 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.
Each block has a stainless steel hub for versatile lashing attachments and through-sheave becket functionality, making them adaptable to a wide range of rigging setups. The hub accommodates up to 4mm (5/32") lashing and ensures maximum efficiency without compromising reliability.
Features:
- 2-stage ball bearing system.
- Suits up to 8mm (5/16”) lines.
- Hollow hub for becket take-off.
- Lashing blocks suit up to 4mm (5/32”) lashing.
Specifications:
- Max. Rope diameter (in): 5/16
- Sheave diameter (in): 1
- B.L. (lb): 1650
- Weight (oz): 0.5
Applications:
- Mainsheet and spinnaker sheet turning blocks on dinghies to 4m (13ft).
- Control lines.
- Cascading vangs.
- Leech lines & cunninghams.
Materials:
- BB Sheave and balls: High compression strength acetal.
- Frame/cheeks: Toughened, glass-fiber-reinforced nylon.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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