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Rooster Keyball Trapeze Harness


£154.18 ex. VAT

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In conjunction with Bethwaite Design, Allen has developed the Keyball trapeze system into a sleek and innovative design, eliminating the hook altogether and creating a safe intuitive trapezing solution that really works.


The Allen Keyball system removes the traditional hook from the trapeze harness and replaces it with a moulded plastic socket. The Keyball socket has no sharp edges or protruding parts meaning there is a reduced risk of entrapment for the user.


By wearing a Keyball harness you will also limit the chances of damaging the equipment on the boat, users are less likely to rip the sail or pierce the deck/hull of a boat because of the lack of pointy edges.


We have paired our Keyball trapeze system with the popular Rooster Trapeze harness.


The Rooster® Trapeze Harness is fully compliant with the new weight rules and has positive buoyancy as per requirements in the 2021-2024 new World sailing rules. The weight when dry is about 1.2kg, and 1.75kg when wet – based on a size XL/2XL.


This harness has been reimagined, redesigned, and rigorously tested by our team to provide the ideal amount of support and comfort on the Trapeze.


The curved and pre-shaped body can be adjusted at 3 points on each side to allow adjustment down the upper back, across the middle, and up from the seat panel, to tailor the fit to different shapes.


This harness is compatible with a wide bar to support the hips and lower back, the bar can be changed to preference through the harness bar slot at the front.


There is NBR rubber on the inside of the harness, this has minimal water absorption ensuring that no weight will be added when wet, applies a small level of shock absorption, and molds the harness to your body.


Key Features:

  • Keyball socket trapeze spreader plate
  • Soft Duratex II neoprene nappy style crotch with reinforcement at edges to add structure and comfort
  • 3-point lace adjustment (each side) – upper back, waist, and seat
  • Inside pocket to tuck away laces
  • Internal waistband closure for a more secure fit
  • Wide spreader bar slot that allows for your preferred bar
  • Adjustable shoulders with webbing and buckle closure
  • Internal foam creating shock absorption
  • A section on the back for optional back support



  • Heavy-duty Ripstop Nylon
  • Duratex II seat and crotch
  • NBR Rubber
  • Stainless Steel
  • Nylon



Does not include A4043 – Keyball Trapeze Handles.


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Rooster Keyball Trapeze Harness

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