SBS Road Runner Bunk Support Trailers (unbraked)

SBS unbraked boat trailers are perfect for boats up to 4 meters in length and boats weighing up to 600 kg (including all equipment on the boat i.e. engine, fuel etc) and are fully EU compliant. All the trailers are galvanised and come with a high capacity winch, securing eyes for ropes/ ratchet straps, full rear lighting on extending brackets  EEC approved hubs, jockey wheel etc.  If you are unsure of what size boat trailer you need please call us on 01475744555 with the make and model of your boat.

Tried, tested and proven over the years a Bunk trailer from SBS is designed with your boat in mind

  • Quality galvanised axles give a smooth ride for excellent towing characteristics and optimum safety, with EEC approved brakes and hubs.
  • Hubs now fitted with waterproof bearings on most models. Fully adjustable carpet padded bunks to protect and support the hull.
    All parts available from stock for speedy repair.
  • Securing eyes for the positive attachment of ratchet straps
  • High capacity winch to aid recovery.
  • Full rear lighting on extending brackets.

R2 = 2 wheel
R4 = 4 wheel
HD = heavy duty (6 or 8 ply tyres)

SPS Bunk support trailer - unbraked


(inc VAT)
Length capacity
Max Boat
weight (kg)
Boat and Trailer
weight (kg)
dimensions (mm)
R2/500B£880.7440003505001700 x 4200
R2/600B£907.2040004506001700 x 4800
R2/750B£982.8040006007501700 x 4800