Ronstan Series 15 Ball Bearing Single Block with Swivel Shackle, RF15100
RonstanThe Ronstan Series 15 Ball Bearing Single Block with Swivel Shackle (RF15100) is a compact, high-performance block designed for dinghies, foilers, and small control line systems where smooth, low-friction operation is essential.
Built with stainless steel ball bearings running on a fibre-reinforced polymer sheave, the RF15100 provides exceptional efficiency and durability under load. The swivel shackle head allows unrestricted movement, making it ideal for control lines that require changing lead angles or rotation, such as vang, cunningham, or spinnaker systems.
Lightweight, strong, and engineered for precision, the Ronstan RF15100 delivers the reliability and performance expected from Ronstan’s world-class Series 15 hardware range.
The smallest and lightest ball bearing block available
FEATURES
Smallest and lightest ball bearing block available.
Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction.
Specifications
| Type of Block | Single |
|---|---|
| Sheave diameter (mm) | 15mm |
| B.L. (kg) | 400 |
| M.W.L. (kg) | 120 |
| Max. Rope diameter (mm) | 5 |
| Weight (g) | 11 |