Made to measureIllustration. Yours is cut to this boat’s measurements.Cloth
Battens
Build time
Express +8%, economy 5.5% off. Shown as its own line in your cart.
A$9,339
inc GST
Rocket 55 Sails Prices, sail sizes & rig dimensions
8 products cut or sized for this boatI 19.65 · J 5.95 · P 20.25 · E 6.20 mPrices checked 22 Oct 2026
Made to measureIllustration. Yours is cut to this boat’s measurements.
Made to measureIllustration. Yours is cut to this boat’s measurements.Cloth
Size (LP)
UV cover colour: Captain Navy
Build time
Express +8%, economy 5.5% off. Shown as its own line in your cart.
A$9,061.80
inc GST
Sized for this boatRacing with a pole? Symmetric spinnakers from A$1,448.70
Asymmetric spinnaker
Asymmetric Spinnaker · Size 12 (148 m²)
Matched to the Rocket 55 fore-triangle · 1.5 oz nylon · 11 colours
Spinnaker cloth colour: White
Sock outer tube
Sock inner tube
The sock goes in your cart as its own line, linked to this spinnaker.
A$4,249.30
inc GST
Fits the Size 12 spinnaker
Dousing sock
Spinnaker Dousing Sock · 18.4 m
UV-resistant ripstop nylon sock to hoist and douse the spinnaker from the deck
Outer tube
Inner tube
A$1,200.10
inc GST
OSR max 19.3 m²Luff attachment
Luff tape relies on a foil, so it does not meet the OSR luff-attachment rule. Choose hanks or wrap luff for offshore racing.
A$1,391.50
inc GST
OSR max 22.0 m²
Luff hardware
Tell us your track size after you order.
A$1,786.40
inc GST
Fits a 6.20 m boom
Canvas
Colour
A$777.70
inc GST
Fits a 6.20 m boom
Canvas
Lazy jacks
Colour
A$1,428.90
inc GST
Get the price list
Every Rocket 55 price on one printable page: mainsail and genoa in each cloth, the spinnaker, sock, storm sails and canvas, plus the rig dimensions.
Not ready to buy yet?
Rocket 55 rig dimensions
| Measurement | Metres | Feet |
|---|---|---|
| I (fore-triangle height) | 19.65 | 64.5 |
| J (fore-triangle base) | 5.95 | 19.5 |
| P (mainsail luff) | 20.25 | 66.4 |
| E (mainsail foot) | 6.20 | 20.3 |
| Mainsail area | 73.5 m² | 791 ft² |
| Fore-triangle area | 58.5 m² | 629 ft² |
| Length overall (approx.) | 16.76 | 55 |
We confirm your measurements before anything is cut.
Rocket 55 sails: questions
How much is a new mainsail for a Rocket 55?
From A$9,339 in Dimension-Polyant Optimum Cruise with 3 leech battens and a full-length head batten, or A$9,615.10 with 4 full battens. C-Breeze, the long-life cloth, starts at A$11,987.80. Every mainsail is cut to the Rocket 55 rig (P 20.25 m, E 6.20 m) with two reefs.
What size genoa does a Rocket 55 need?
We build 110% to 150% LP for the standard rig (I 19.65 m, J 5.95 m). Pick a smaller genoa for a windy home port and a larger one for light-air sailing. Furling genoas start at A$7,071.90.
What size spinnaker fits a Rocket 55?
A Size 12 (148 m²) asymmetric suits the Rocket 55 fore-triangle. It starts at A$4,249.30, or A$5,449.40 with a dousing sock.
What size storm jib and trysail fit a Rocket 55?
The Offshore Special Regulations cap a storm jib at 5% of I squared (19.3 m² here) and a trysail at 17.5% of P × E (22.0 m²). That makes our Maxi (12 m²) storm jib and Maxi (15.5 m²) trysail the right sizes.
How do I check my boat matches these measurements?
Measure I, J, P and E and compare them with the rig table. We confirm every measurement with you before the sail is cut.
From the same loft
Racing offshore or heading somewhere remote?
For a race programme, a Sydney to Hobart or a bluewater expedition, our sister loft Kraken Sails designs laminates, membrane sails and storm wardrobes for the hard end of sailing.