Ronstan RF35141 30mm Stand-Up Pulley Block | Orbit Series Ball Bearing Block

The Ronstan RF35141 Stand-Up Pulley Block is a compact and lightweight 30mm Orbit Series block featuring an integrated stand-up base and ball bearing sheave. Designed for deck-mounted control systems, it offers excellent alignment and efficient line handling in tight rigging spaces on dinghies, skiffs, and sports boats.

Made with a fibre-reinforced composite frame, UV-stable acetal sheave, and ball bearings, the RF35141 delivers high-performance, low-friction operation with impressive load capacity for its size. Perfect for vangs, traveller systems, and mainsheet fine-tuning where space and weight savings are essential.

✅ Key Features

• Ronstan RF35141 – 30mm stand-up Orbit pulley block

• Integrated base keeps block upright and aligned

• Ball bearing sheave for smooth, low-friction line handling

• Ultra-lightweight composite body with high load rating

• Ideal for deck-mounted applications: vangs, travellers, and control lines

• UV-resistant materials for long-lasting marine performance

• Suited for performance dinghies, skiffs, and sport boats

• Part of the high-performance Ronstan Orbit Series

Ronstan RF35141 30mm Stand-up ball bearing pulley specifications:

• Sheave Ø 30 mm
• Max. Rope Ø 8 mm
• Max. Cable Ø - mm
• Pin Ø - mm
• M.W.L. 300 kg
• B. L. 600 kg
• Weight 36 g