Trailer rollers and accessories
Keel rollers, support rollers, bow stops, keel roller bases, roller brackets, and trailer fittings for boats. Free delivery on orders over 100 BGN.
Trailer Keel Roller 110×75mm (Ø17 mm Bore, Black/White)
A reinforced keel roller for boat trailers, designed to make launching and retrieving your boat easier while protecting the hull’s keel from damage. Made of durable polymer with an inner core and protective outer coating, it provides smooth rolling and stable support. Available in black and white, compatible with Ø17 mm shaft pins.
- Dimensions: Ø110 mm outer diameter × 100 mm length (standard for small/medium trailers)
- Bore size: Ø17 mm (fits standard trailer roller shafts)
- Material: PP core with PVC/TPE outer layer – UV-resistant and saltwater-proof
- Black roller (PVC-coated) – robust construction for heavy-duty use
- White roller (non-marking TPE) – prevents scuff marks on light-colored hulls
In stock
Blue Rubber Bow Stop for Trailer – 105 x 67 x 124 mm
Blue bow stop roller made of elastic rubber for boat trailers. It mounts on the winch post and cradles the bow of the boat during loading, protecting the hull from impacts and scratches. Durable against UV rays and saltwater, this bow stop helps center the boat and ensures stability during transport.
- Dimensions: 105 x 67 x 124 mm – compatible with standard trailer bow stop brackets
- Material: High-quality rubber blend (polyurethane/polypropylene) – firm enough to support weight yet flexible to cushion impacts
- Mounting hole: Ø13 mm through-center – fits common 12 mm bolts/axles for securing to bracket
- Opening angle: ~75° V-shape – snugly fits the boat’s bow, helping to self-center the vessel
- Advantage: Bright blue color, UV-resistant, and non-marking to avoid scuffing the boat’s gelcoat or paint
In stock
White Keel Roller Ø75 mm for Trailer – 14 mm Axle Hole
White keel roller for boat trailers, made of durable plastic that won’t mark your hull. Ideal for supporting the keel of small boats, it facilitates smooth sliding during loading and unloading. Its compact size (Ø75) is perfect for light trailers and shallow ramps.
- Dimensions: approximately 75 mm diameter, ~78 mm length – a standard small keel roller
- Hole: 14 mm axle bore – fits axles/bolts of Ø14 mm as used on small to medium trailers
- Material: Tough white polymer (polyethylene/polypropylene) – resistant to impact, UV rays, and seawater
- White color: Won’t leave black marks or scuffs on the boat’s gelcoat; dirt is easier to spot for cleaning
- Intended use: Suited for small boats, jet skis, and inflatables – the roller helps the keel glide smoothly on the trailer and protects the hull from friction
In stock
Trailer U-Bolt Bracket 70x140 mm (55 mm internal width)
U-bolt bracket for boat trailers, designed to secure axles, rollers, and other components to the frame. The 70x140 mm size (width x leg length) with ~55 mm internal clearance fits around ~50 mm box sections. Made of galvanized steel for corrosion resistance to withstand moisture and salt.
- Size: 70 mm width (outer), 140 mm leg length – a standard trailer U-bolt size
- Internal gap: ~55 mm between legs – suitable for clamping around ~50x50 mm square tubing or Ø50 mm round pipe
- Material: Galvanized steel – rust-resistant coating for outdoor and wet environment durability
- Threading: Fully threaded ends on each leg – comes with nuts for easy tightening and a secure hold
- Use cases: For mounting keel rollers, bunk brackets, fenders, axles, and other parts to the trailer frame
Delivery within 10 working days.
Keel Roller 190 x 95 mm (21 mm bore) – Blue or White
Large keel roller for trailers, measuring 190 x 95 mm with a 21 mm bore, available in blue or white. This elastic roller supports the weight of larger boats, making it easier to load and launch them from the trailer. Made of impact-resistant, UV-stable rubber (polyurethane), it protects the keel and hull from damage and won’t leave marks (especially the white version).
- Dimensions: 190 mm length, Ø95 mm diameter – provides a broad support surface for the keels of medium and large boats
- Axle diameter: Ø21 mm – designed to fit thick shafts (standard on heavy-duty trailers)
- Material: Resilient, tough polyurethane rubber – won’t permanently deform under load, absorbs vibrations and shocks
- Colors: Blue (excellent UV resistance, stylish look) or White (non-marking, won’t stain the boat’s hull)
- Use case: Suitable for medium to larger boats (around 5–7+ m in length) – ensures smooth sliding and proper centering of heavy boats on the trailer
In stock
Boat Trailer Keel Roller 115 x 75 mm – 17 mm Bore, Durable Keel Support
115x75 mm keel roller ideal for small boats, providing smooth launching and hull protection. Made of durable material and available in non-marking white or standard black options.
- Dimensions: 115 x 75 mm; 17 mm inner bore (fits standard trailer shaft pins)
- Material: White polyurethane (won’t leave marks on hull) or black rubber (tough, traditional option)
- Durability: Marine-grade construction resistant to UV rays and saltwater for long service life
- Function: Centers and supports the keel to protect the hull and ensure easy boat launching and loading
In stock
Boat Trailer Keel Roller 115 x 85 mm – 17 mm Shaft, Heavy-Duty for Mid-Size Boats
115x85 mm keel roller with larger diameter for enhanced keel support on mid-size boats. It features a durable, marine-grade build and comes in both non-marking white and black options.
- Dimensions: 115 x 85 mm; 17 mm bore (fits standard trailer axles/pins)
- Material: Flexible white polyurethane (won’t mark hull) or tough black rubber (classic material)
- Heavy-Duty Build: Reinforced design, UV and saltwater resistant, ideal for handling higher loads
- Purpose: Supports and guides the keel, making boat loading smoother and protecting the hull from damage
In stock
Boat Trailer Keel Roller 120 x 80 mm – 17 mm Bore, For Larger Boats
120x80 mm keel roller with extra length to support the keel of larger boats. A high-quality roller, UV and saltwater resistant, available in non-marking white or black versions.
- Dimensions: 120 x 80 mm; 17 mm bore (fits standard trailer shafts)
- Material: White polyurethane (protects finish) or black rubber (durable and flexible)
- Resilience: Built for higher loads, won’t crack from UV exposure or saltwater
- Function: Steadies the keel, helps center the boat, and safeguards the hull during loading/unloading
In stock
Boat Trailer Side Roller 185 x 50 mm – 17 mm Shaft, For Large Boats (White/Black)
Large 185x50 mm side roller for boat trailers, providing side hull support for big boats. Durable and weather-resistant, available in white (non-marking) and black options to suit different needs.
- Dimensions: Ø185 x 50 mm; 17 mm inner bore (fits standard roller shafts)
- Material: White polyurethane (won’t mark hull) or black rubber (highly durable)
- Strength: Engineered for heavy loads – maintains shape under large boat weight
- Use: Supports the boat’s sides, guides the hull onto the trailer, and protects it from impact
Delivery within 10 working days.


