Ralox The Dually 50 x 50
Purpose-built for vertical racks — Designed specifically to secure two bikes simultaneously on vertical-style racks.
Anchor Point system — This comes with 2 Anchor points. Install in each bike's steerer tube for direct, tamper-resistant security. Fits 20–24mm and 29–36mm steerer tubes. (If your steerer tube doesn't fall within the stated range, contact us for a custom fit.)
One compact rack-mounted bracket — A single bracket mounts permanently to your rack between both bikes, keeping your setup clean and space-efficient.
Two high-security square-link chains — One chain per bike, providing maximum resistance against cutters and theft attempts.
Keyed alike — Both locks operate with a single key, so there's no fumbling between bikes.
Custom chain adjuster plugs — 2 included per bike to shorten the chain for a perfect fit, preventing scratches or frame damage.
Aircraft-grade aluminium components — Lightweight yet incredibly strong for long-lasting durability.
Precision lock cylinders — Reliable, theft-resistant operation on both locks.
Purpose-built for vertical racks – designed specifically to secure bikes on vertical-style racks.
Anchor Point system – 2 Anchors Install into two bike’s steerer tubes for direct, tamper-resistant security. Fits 20-24mm and 29-36mm steerer tubes.
(If your steerer tube doesn't fit within the stated range above, please contact us for a custom fit.)
Rack-mounted bracket – Permanently mounts to your rack, so the lock is always there when you need it.
High-security square-link chain – Delivers maximum resistance against cutters and theft attempts, with an 85cm length for secure and versatile locking.
Custom chain adjuster plugs – Shorten the chain for a perfect fit, preventing scratches or frame damage.
Aircraft-grade aluminium components – Lightweight yet incredibly strong for long-lasting durability.
Keyed lock mechanism – Precision lock cylinder for reliable, theft-resistant operation.
What's in the Box
- 2 Chains with the Pin
- 1 Bracket mount
- 2 Anchor points
- 1 Sticker
- 2 Pairs of Keys
- 4 Chain adjusters
- 2 Shear nuts
- 2 Installation tool






