Description
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
- HHL Sheave and bearing race: Grade 2205 stainless steel with Grade 304 stainless steel ball bearings.
| Sheave | 25 mm |
| Maximum Rope | 8 mm |
| Sheave Material | Stainless Steel |
| Maximum Working Load | 400 kg |
| Breaking Load | 1200 kg |
| Weight | 34 g |
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.
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