
Ronstan
Ronstan RF35212 30mm Double Pulley with Becket | Orbit Series Ball Bearing Block
The Ronstan RF35212 is a high-performance 30mm double pulley block with integrated becket, designed for use in multi-purchase control systems on dinghies, skiffs, and sport boats. Part of the advanced Ronstan Orbit Series, this block features a ball bearing sheave system, fibre-reinforced composite cheeks, and a lightweight, low-profile design.
The built-in becket allows for easy line termination in compact setups such as vangs, cunninghams, and outhauls, while the ball bearings ensure smooth, low-friction operation under load. Engineered for competitive sailing, the RF35212 offers strength, efficiency, and precision when it matters most.
✅ Key Features
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Ronstan RF35212 – 30mm double pulley block with becket
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Orbit Series: ultra-lightweight, high-load composite design
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Ball bearing sheaves for smooth and efficient operation
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Integrated becket for multi-part line setups
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Ideal for vang systems, cunninghams, outhauls, and traveller controls
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UV-stable materials for long-lasting marine performance
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Suited for performance dinghies, skiffs, and sport boats
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Built for speed, control, and reliability
Ronstan RF35212 30mm ball bearing Double pulley with becket specifications:
- Sheave Ø 30 mm
- Max. Rope Ø 8 mm
- Max. Cable Ø - mm
- Pin Ø - mm
- M.W.L. 450 kg
- B. L. 900 kg
- Weight 51 g