The Pro Build // 3 Moto is Big Days' full chase-truck loadout: the Chase Rack System Base Rack configured to carry three dirt bikes plus the fuel, water, and lighting you want when support is a long way off. Built around Baja-style chase duty — heavy loads, constant vibration, nonstop miles — it's equally at home hauling a three-bike crew to the dunes or the trailhead.
Features
- Base Rack with A36 steel risers and 6560 T6 alloy cross bars
- Three motorcycle mounts with six tie-down points
- Moto Offset Kit for running three mounts across the rack
- In-bed moto ramp with storage mounting brackets
- Headache rack mount and tonneau-cover-compatible base rack
- 4-gallon fuel can and 1-gallon water jug with dedicated rack mounts
- 40" LED light bar with light bar mounts
Fitment runs by truck bed size, not year, make, or model: the rack adjusts to beds with 40–64" of inside width, covering most mid-size and full-size pickups. Folding and retractable tonneau covers with at least 2" of exposed bed rail work with the system; T-track covers use the T-Track Mounting Kit, sold separately. Browse the rest of the chase rack builds to compare tiers.
Chase Rack System FAQs
What truck beds does the Pro Build // 3 Moto fit?
Beds measuring 40–64 inches between the inside walls — fitment runs by bed size, not year, make, or model, so most mid-size and full-size pickups qualify. Measure the inside width of your bed before ordering. The upper cross bar spans 61 inches and the lower bar 52 inches.
How much weight can the rack carry with three motos loaded?
Big Days rates the Chase Rack System at up to 900 pounds, which comfortably covers three dirt bikes plus fuel and water. The rack itself weighs 70 pounds and uses A36 steel risers with 6560 T6 alloy cross bars to shrug off washboard vibration over long chase miles.
What makes the Pro Build different from the Starter and Essential builds?
The loadout. Every tier uses the same Base Rack; the Pro Build // 3 Moto adds a third moto mount with offset kit, six tie-down points, an in-bed ramp, headache rack mount, a 4-gallon fuel can and 1-gallon water jug with mounts, and a 40-inch LED light bar — a complete chase-truck setup.
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