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Ronstan RC72504 Series 25 Composite Jib Lead Car for T-Track

Manufacturer

Ronstan

<h3>About Ronstan – A Legacy Built on the Water</h3><p>Few names in the sailing world carry as much weight as Ronstan. <strong>Founded in 1953</strong> by Ron Allat and Stan Lenepveu, the company began as a small boatbuilding operation in Highett, a suburb of Melbourne, Australia. What started as handcrafting custom yacht fittings for fellow sailors at the nearby Black Rock Yacht Club steadily grew into one of the most respected sailboat hardware manufacturers on the planet. The brand name itself is a nod to its founders — Ron and Stan — whose passion for sailing and precision craftsmanship shaped the company's DNA from day one.</p><p>Today, <strong>Ronstan International</strong> is a globally recognised manufacturer and supplier of sailboat hardware, rigging components, winches, sailing gear, and accessories, with its head office remaining in Braeside, Victoria, Australia. The company has established manufacturing facilities in Australia, Denmark, and Indonesia, along with sales offices in the United States, and distributes products to sailors in over 40 countries around the world. In November 2023, Ronstan joined <strong>Groupe Wichard</strong>, aligning with an industry leader whose portfolio spans more than ten world-renowned brands in the sailing and safety markets — a move that further strengthens Ronstan's global reach and product offering.</p><h3>Engineered for Every Sailor, Proven at the Highest Levels</h3><p>Ronstan's reputation spans the full spectrum of sailing — from first-time dinghy sailors to elite competitors at the America's Cup and Olympic Games. The brand serves as the official supplier to the Australian Sailing Team, and Ronstan hardware has appeared aboard medal-winning boats across multiple Olympic campaigns. That pedigree at the pinnacle of racing directly fuels the innovation available to everyday sailors: the demanding performance requirements of top-tier competition have driven many of the technical breakthroughs found throughout Ronstan's broader product range.</p><p>The company's catalog encompasses well over 2,000 products, including pulley blocks, traveller systems, furlers, rope cleats, stainless steel fittings, shackles, snap shackles, and winches. Whether you're outfitting a small racing dinghy, a family cruiser, or an offshore race yacht, Ronstan offers hardware designed and tested to perform in real-world conditions. Their in-house capabilities span design, engineering, precision injection moulding, CNC machining, metal pressing, and assembly — all of which contribute to the consistent quality sailors have come to expect from the brand.</p><h3>Top Ronstan Product Categories</h3><p>Among Ronstan's most popular product lines are their <a href="/11561-ronstan-tiller-extensions-accessories-202641">Tiller Extensions &amp; Accessories</a>, which encompass both their renowned carbon fibre and alloy tiller extension ranges. Whether you need a lightweight, rigid fixed-length stick or a telescopic option for adjustable reach, Ronstan's tiller extensions are engineered for decisive helm response and positive grip in all conditions. Complementing these are Ronstan's <a href="/11561-ronstan-tiller-extensions-accessories-201068">Tiller Extension Accessories</a> — including universal joints, retaining clips, and end knobs — that allow sailors to fine-tune their setup or replace worn components with ease.</p><p>Ronstan also produces a well-regarded line of <a href="/11561-ronstan-fairleads-201944">Fairleads</a>, designed to guide lines smoothly across a boat's deck. Available in UV-stabilised nylon and with optional stainless steel liners for added strength and longevity, these practical fittings are a staple of both dinghy and keelboat rigging setups worldwide.</p><h3>Why Choose Ronstan?</h3><ul><li><strong>70+ years of marine hardware expertise</strong> rooted in Australian sailing culture</li><li>Products trusted by Olympic sailors, offshore racers, and cruising sailors alike</li><li>Over 2,000 products covering everything from small dinghy fittings to superyacht systems</li><li>Advanced manufacturing across three international production facilities</li><li>Part of Groupe Wichard, adding complementary product depth and global support</li></ul>

Part Number

RC72504
07/13/2036 8:45 PM
Sale Price

$32.43

In Stock (8)

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Product Details

The Ronstan RC72504 is a Series 25 composite jib lead car engineered for 25mm (1") T-track systems. Designed for small keel boats and sportsboats, this lightweight slide delivers a high-performance headsail sheet lead solution without the weight and corrosion penalties of traditional metal hardware.

The two-piece car body is molded from toughened, glass fibre reinforced nylon, providing low friction directly on anodised aluminium track — no separate inserts required. Virtually all metal components have been replaced with high-strength polymer and fibre equivalents, optimised using finite element analysis for maximum strength-to-weight characteristics.

Key Features:

  • Lightweight composite construction — toughened glass fibre reinforced nylon body; weighs only 107g (3.8 oz)
  • Integrated becket at the forward end accommodates 2:1 headsail sheet systems
  • Removable M4 threaded pin — compatible with Dyneema® Link or a standard shackle for easy block and accessory changes
  • Ergonomic plunger stop toggle at the rear of the car for easy one-handed adjustment from the cockpit
  • Flush, contoured profile eliminates snagging of lines and sails
  • Position indicator arrow on the side of the car for repeatable, precise sheeting angle settings
  • Low-profile, compact design provides a low lead aft for the lead block

Specifications:

  • Length: 102mm (4")
  • Track Profile: T-Track (25mm)
  • Maximum Working Load (M.W.L.): 500kg (1,100 lbs)
  • Breaking Load (B.L.): 1,000kg (2,200 lbs)
  • Weight: 107g (3.8 oz)
  • Material: Toughened, glass fibre reinforced Nylon

The Ronstan RC72504 is ideal for headsail sheet leads on sailboats up to 8m (26ft) LOA and pairs with Ronstan's Series 25 anodised aluminium T-track. Compatible with Ronstan's racing track featuring 25mm stop-hole spacing for enhanced precision.

Products specifications

Length

4

Mount Type

Complementary Hardware

Type

T-Track Slide

Becket

No Becket

Direction

Any

Integral Cleat

No Integral Cleat

Ratchet

Non Ratcheting

Safe Working Load

1100 Pounds

Awesome, thanks!

All went well.

I found the tire I have on my car now to match

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Pricing was exactly the same as what my Google search revealed

Easy ordering

Great product & service. Install of purchase in spring as the vehicle is stored for the winter. Many thanks Paul--The Capt.

Good Prices and Good Product

Part's worked perfectly. Problem taken care of. THANKS

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