Three full-size dirt bikes in one truck bed — that's the whole job of the Moto Offset Kit (SKU M2220). This pair of 1/4" aluminum adapters repositions the two outside Motorcycle Mounts on the Big Days Base Rack, stepping the outer bikes toward the cab or straight up so three sets of handlebars clear each other instead of fighting for the same airspace.
Features
- Includes two offset adapters, one for each outside mount
- Two mounting positions: 3.5" forward with 1.4" of rise, or 2.8" of straight vertical rise
- 1/4" aluminum construction; 3 lbs and 10" x 3" x 4" per Big Days
- Carriage-bolt and lock-nut mounting hardware
- Purpose-built for the Big Days Chase Rack System T-track — works with dirt bikes and e-motos
- Not recommended for street bikes, per Big Days
Already running two mounts? Add this kit and a third Motorcycle Mount and you're set for three-across. Starting from scratch? The Essential Build // 3 Moto covers the three-bike setup from the start. The kit works in the bed of a mid-size or full-size pickup, and fitment follows bed size rather than year or model. Loading solo is easiest with the In-Bed Moto Ramp.
Moto Offset Kit (Includes 2 Adapters) FAQs
Will the Moto Offset Kit work with my existing Big Days rack?
Yes — it's purpose-built for the Big Days Chase Rack System and mounts to the rack's T-track with carriage-bolt and lock-nut hardware. You'll need three Motorcycle Mounts total: the kit offsets the two outside mounts while the center bike stays in the standard position. It supports dirt bikes and e-motos; Big Days doesn't recommend it for street bikes.
How do the two mounting positions differ?
Position 1 shifts an outside mount 3.5" toward the cab and raises it 1.4"; Position 2 raises the mount 2.8" straight up with no forward shift. Both stagger the handlebars so three full-size bikes sit side by side without bar interference — pick whichever position clears your specific bikes best.
What else do I need to haul three dirt bikes?
If you already run two Motorcycle Mounts, add this kit plus one more mount and you're equipped for three dirt bikes. Starting fresh, the Essential Build // 3 Moto is the bundle configured for three motos from the start. The kit works in mid-size and full-size truck beds, per Big Days.
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