Description
ARK Galvanised U-Bolt Kit for 39mm Round Axles (SKU: JIA011) is the ideal hardware solution for securely mounting round trailer axles. Designed with durability and reliability in mind, this set includes 4 x galvanised U-bolts, 2 x axle pads, and 2 x fish plates—perfect for suspension upgrades or replacements on trailers, campers, and caravans.
Engineered for Strength and Simplicity
- Fits 39mm Round Axles: Precisely sized for round axle applications commonly found in light to medium-duty trailers.
- Complete Mounting Set: Includes everything you need—U-bolts, pads, fish plates, and nyloc nuts—for secure axle-to-spring connections.
- Durable Galvanised Finish: Provides excellent corrosion resistance for long-lasting performance in harsh outdoor conditions.
- Heavy-Duty Fish Plates: 90mm long x 95mm wide with 20mm bolt holes and 39x45mm spacing, ensuring a tight and reliable clamping system.
Kit Specifications:
- U-Bolts: 39mm round | 60mm arm length | 60mm thread length | ½” diameter | Galvanised with nyloc nuts included
- Axle Pads: 40mm wide | 40mm long | 7mm thick | 16mm centre hole
- Fish Plates: 90mm long | 95mm wide | 7mm thick | 20mm bolt hole | 39x45mm bolt spacing
Whether you’re assembling a new trailer or giving your old rig some love, this ARK U-bolt kit is the perfect go-to solution. Built tough, easy to install, and made to endure the dust, mud, and salt of the Aussie outdoors.
Simple, strong, and reliable—just like a good mate on the road.






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