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Mould 139

Mould 139 Heavyweight Single Scull | Sykes
Mould 139 Heavyweight Single Scull | Sykes
Mould 139 Heavyweight Single Scull | Sykes

Suggested weight range



Boat Overall Length



Beam At Waterline


Mould 139 is Sykes' dedicated heavyweight single scull. 

Following the successful launch of Moulds 137 and 138, the hull shape of Mould 139 has been updated to be in-line with Sykes' new performance single scull range. The new design features improved stability and low drag and has proved to be very popular among elite men in Australia and the US. The 139 is the choice boat for Australia’s national training centre men and has recorded impressive results since its arrival. 

The key features of the M139 include:
  • A hull shape that has achieved unprecedented levels of stability coupled with very low drag at all speeds
  • Sykes’ classified 5k Construction
  • New bow and stern deck joins
  • Bow mounted carbon fibre rigger or stern mounted aluminium rigger option
  • Drink bottle holder
  • Fine entry angles at the bow resulting in minimal bow wave development

All of these new features have contributed to a significant quality, performance and comfort advantage for the end user.


Sykes “5K Construction”

  • 5K is Sykes very own method of high strength, high stiffness carbon composite construction designed to save weight and increase stiffness. With a Kevlar presence in the footwells, these areas are now more damage resistant from athletes dropping items into the bottom of the boat (i.e. drink bottles).
Sykes 5K Carbon Composite Construction


    Moulded Stern Bulkheads

    • We have improved the layup and integration of the stern bulkhead, which now flows smoothly over the stern deck. This improves stiffness and greatly improves the aesthetics of the boat.
    Moulded Stern Bulkhead | Sykes


     Moulded Mono Decks

    • Sykes mono deck features a state of the art design that not only improves the structure and style of the boat, but significantly improves the overall comfort for the rower. When you row in a Sykes boat, it will feel the same, regardless of what seat you are in!
    Single Scull Moulded Mono Deck | Sykes

    Marked Pins

    • Along with pin block measurement tapes standard on all Sykes boats, a centre line is marked on the base of all our pins. This makes it easy to see the centre of the span when measuring. Just one way Sykes makes rigging your boat that little bit easier.
    Marked Pins - Making Rigging Easier | Sykes


    Carbon Bow Mount Rigger (Optional Extra)

    • The Sykes Carbon bow mount rigger is the forerunner in rigger construction. Designed by leading Australian engineers, the Sykes rigger is able to deliver the best for any elite athlete. Using prepreg carbon fibre with an advanced bladder moulding technique creates a single seamless rigger with zero joins.

    Carbon Bow Mounted Rigger | Sykes

    Titanium fittings

    • Corrosion is something all rowers face when looking for longevity of their rowing hulls. That’s why Sykes has integrated titanium fittings, from pins to bushings on its premium carbon bow mount rigger. 

    Rowing Hull Titanium Fittings | Sykes


    Sykes stretcher

    • It’s always frustrating when you’re on the water and need to adjust feet height, angle etc. but don’t have a spanner handy. That’s why we made a stretcher where there are no tools required. Designed and manufactured in house, the Sykes stretcher offers the ultimate combination of lightweight, stiff and easy adjustment so you can spend more time training.

    Single Scull Stretcher | Sykes

    Sykes offer four different single scull options: Mould 135, Mould 137, Mould 138 and Mould 139. The final digit in each mould number indicates the weight range intended for the boat ie. Mould 139 for a 90+kg athlete.

    If you would like further information about any of these moulds, please contact us

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