AL‑KO Mechanical Caliper Mounting Bolt (7/16″ UNF × 2¼″) – Genuine OEM (390024)

High-Tensile 7/16″ UNF Mounting Bolt for AL‑KO Mechanical Disc Calipers

Ensure secure and reliable mounting for your AL‑KO mechanical disc brake calipers with the Genuine AL‑KO Mounting Bolt (Part No. 390024). Designed to meet factory specifications and engineered specifically for use with AL‑KO mechanical disc brake systems.

🔧 Product Overview

• Part Number: 390024

• Bolt Specs: 7/16″ UNF thread × 2¼″ (approx. 57 mm) length, high-tensile zinc-plated steel

• Includes: One bolt (two bolts required per caliper) 

✅ Benefits

• OEM Replacement Quality: Matches AL‑KO standards for strength, corrosion resistance, and alignment

• Durable Heating Processed Bolt: Zinc-plated and heat-treated for saltwater and rugged environment durability

• Perfect Fit for Pre‑ and Post‑2016 Mechanical Calipers: Secures forward‑pull or centre‑pull caliper types via 88.9 mm (3.5″) mounting centres 

📦 Shipping & Warranty

• Price: AUD 5.00 each (two needed per brake) — aligns with Brisbane AL‑KO pricing 

• Availability: In stock in Queensland, AU — dispatches next business day

• Warranty: Includes 12‑month manufacturer warranty

🧰 Installation Tip: Use two bolts per caliper with accompanying flat and shakeproof washers. Apply thread-locker (e.g., Loctite 262) and tighten to 55 Nm (40 ft‑lb) to ensure secure fastening and brake alignment as per AL‑KO guidance