Ronstan
S25 BB Orbit Block,HHL,Single Becket Lashing
Single sheave ball bearing high load block with becket hub option and lashing head.
86.31€
Available in stock
SKU
RF28109HL
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.
Materials
- Frame/cheeks: Toughened, glass fibre reinforced nylon.
- HHL Sheave and bearing race: Grade 2205 stainless steel with Grade 304 stainless steel ball bearings.
| Type of Block | Single |
|---|---|
| Sheave diameter (mm) | 25mm |
| B.L. (kg) | 1200 |
| M.W.L. (kg) | 400 |
| Weight (g) | 34 |
| Notes: | 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. |
The 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.
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.
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Mainsheet and spinnaker sheet turning blocks on dinghies to 4m (13ft).
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Control lines.
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Cascading vangs.
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Leech lines & cunninghams.