Engineered for Precision. Trusted by Champions.
From weekend racers to Olympic competitors, sailors understand that efficient hardware significantly influences performance. With decades of experience and dedication to technical innovation, we consistently develop hardware solutions tailored specifically to the demands of dinghy and small keelboat sailing. The comprehensive Ronstan product lineup includes a wide range of blocks, all designed with precision and reliability in mind.
Orbit Blocks™ – Lightweight, Strong, and Built to Perform.
Manufactured using advanced composite-reinforced polymers and sophisticated bearing systems, Orbit Blocks™ deliver an exceptional strength-to-weight ratio. The Series 40 Orbit Blocks™ two-stage ball bearing system ensures smooth, consistent performance; combining ball bearings to minimise friction and a secondary full-contact bearing to maintain low friction throughout the entire working load range—even under extreme static and dynamic loads.
Options include swivel heads for full rotation, Dyneema® link heads, and lashing blocks for weight reduction. Additionally, Ratchet Blocks with up to 20:1 holding power provide secure rope handling under load.
Utility Blocks and RopeGlide™ – Versatility Meets Reliability.
Our Utility Blocks offer dependable, low-maintenance performance suitable for general sailing applications. Featuring self-lubricating acetal polymer sheaves and polished stainless-steel races, effectively handling both dynamic and static loads. For simpler load adjustments and deflections, RopeGlide™ rings and SHOCKS™ provide lightweight yet durable alternatives and are perfect for sailors seeking streamlined rigging with fewer moving parts.
ILCA® Hardware – Race-Ready and Athlete-Tested.
Developed in close collaboration with world’s elite sailors, our ILCA® hardware is precision-engineered for a competitive edge. The mainsheet blocks, traveller blocks, and vang systems feature robust two-stage bearings systems and geometry tailored for ease of use and control. Every component is rigorously tested by ILCA® sailors to ensure it delivers reliable performance when it matters most—when racing and under pressure.
SHOCKS™ – Compact Simplicity, Serious Strength.
Redefining minimalism in rigging, SHOCKS™ are sheaveless, anodised aluminium blocks that weigh just 2.5 grams yet handle loads up to 350 kg. Ideal for applications like tweakers, vangs, trapezes, and kite bridles, they offer maximum function with minimal weight.
Simple, strong, and highly effective, SHOCKS™ are perfect for sailors looking to reduce clutter and increase efficiency.
New: Series 25 Orbit Blocks™: Compact Control for Modern Dinghies.
Purpose-built for dinghies up to 4m, the new Series 25 Orbit Blocks™ bring compact efficiency to control line systems. Featuring our proven acetal bearing system, the range also includes a High Load (HHL) variant with Grade 2205 stainless steel components—ideal for today’s high-performance and foiling boats.
Trusted by Competitive Sailors.
Ronstan’s hardware is trusted globally by sailors ranging from local competitors to Olympic-level athletes, including the Australian Sailing Team. Our blocks are recognised for their consistent performance, technical precision, and reliability, making them the preferred choice across diverse sailing conditions.
If you’re looking for practical, efficient dinghy and small keelboat solutions that embody reliability and consistent performance on the water, then look no further.
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