Ronstan Series 55 Orbit Block Single with Becket Swivel Head

Ronstan Series 55 Orbit Block Single with Becket Swivel Head

$67.90 /
Subscription -

🚚 Usually Ships within 24 hours

Available for pickup
In stock at 3/28 Thurecht Parade · Usually ready in 24 hours

In stock at 3/28 Thurecht Parade

Ronstan Series 55 Orbit Block Single with Becket Swivel Head

Available for pickup

3/28 Thurecht Parade

Usually ready in 24 hours

3/28 Thurecht Parade
Scarborough QLD 4020
Australia

The Series 55 Orbit Block delivers exceptional performance for mainsheet and spinnaker systems on dinghies, sports boats, and small keelboats up to 9 metres. Featuring a low-friction 2-stage orbital ball bearing system, this block offers the highest working load in its class while maintaining an ultra-lightweight profile. The integrated becket and swivelling shackle head provide versatile rigging options for halyard, vang, and backstay applications. Engineered with high-strength acetal ball bearings and a fibre-reinforced load frame, it ensures reliability under heavy stress. This compact block is meticulously designed to minimise mass and maximise efficiency for competitive sailing. Its robust construction provides consistent, smooth operation in demanding marine environments.

Type of Block: Single
Sheave Diameter: 55mm
Breaking Load: 1000kg
Maximum Working Load: 500kg
Max Rope Diameter: 10mm
Weight: 88g
Pin Diameter: 5mm
Frame Material: Glass fibre reinforced Nylon

Item No. RF55110

Why Shop With Us

Product Sourcing

We source hard-to-find boat parts from our trusted suppliers.

Nationwide Shipping

Fast dispatch Australia-wide from our boat chandlery located in Brisbane.

Friendly service

Speak directly with marine experts - not a call centre!

Click & Collect

Pick up from our store, metres from Scarborough boat ramp!

FAQs

Yes — our store is located in Scarborough, Queensland. Simply select the click and collect option at checkout and we’ll notify you as soon as your order is ready. Collection is available from 3/28 Thurecht Parade, Scarborough.

We offer standard and express shipping via Australia Post. For large or bulky items, shipping may need to be quoted separately, we’ll contact you with the best available option. View our shipping information for more details on pricing.

Our Request a Quote option is designed for special order items or products not currently listed online. It’s also available for large or bulky items where shipping needs to be calculated. Provide as much detail as possible and our team will source the item and get back to you with pricing.

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