Modular Roof Rack for the INEOS Grenadier
Build the overland platform your Grenadier was designed for — starts with a rack that actually solves the wind noise problem and leaves room to add more.
Engineered Around the Grenadier — Not Adapted to It
Most roof racks are universal designs forced onto vehicle-specific mounting points. TrailRax built this one around the Grenadier's factory roof geometry. The rear section drops directly onto the existing grab handle assembly bolts — the same hard points INEOS engineered for load. The front quarter clamps to the rain gutter with stainless steel brackets, foam-isolated to protect the finish.
No drilling. No modifications. Completely reversible. And at 1,000 lbs static / 450 lbs dynamic, it carries more than the OEM rack ever could.
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The Wind Deflector That Actually Works
One of the most common Grenadier complaints is wind noise at speed. The TrailRax deflector is shaped to redirect airflow over the rack rather than through it — available in standard profile or with a precision cut-out for a flush-mount 50" light bar.
T-Slot Rails — Endless Accessory Combinations
The anodized black TSLOT extrusions are machined locally in Utah and cut to exact length. Each crossbar has pre-machined cut-outs that let you drop hardware in without removing the bar from the rack. The perimeter rails give you 360° of mounting surface for lights, recovery gear, bags, and more.
TrailRax's accessory guide lists compatible brands that were involved in the rack's development — meaning their products fit without modification. Browse the accessory guide →
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Full Rack or 3/4 — Your Choice, Your Budget
The 3/4 rack covers the rear cargo area — the highest-priority real estate on any overlanding build — and installs on its own. The front quarter mounts independently when you're ready to expand. It's a genuine modular system, not a compromise.
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Full Rack: Maximum platform, runs full roof length
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3/4 Rack: Rear cargo area; front quarter available to add later
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Both: Standard deflector or 50" light bar cut-out
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📐 Specs
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Height added: 3.68" from center of roof (measured at rear, center of roof hump to top of rack)
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Static load rating: 1,000 lbs evenly distributed — CAD and real-world verified
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Dynamic load rating: 450 lbs evenly distributed — CAD and real-world verified
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Main panels: 5051 aluminum, 3/16" thickness
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Extrusions: Anodized black TSLOT aluminum, machined in Utah
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Mounting brackets: Stainless steel
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Safari windows: Compatible — can open and remove with full rack installed
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Pak Rax load rating: 70 lbs per side, evenly distributed (Pak Rax in development)
| Frequently Asked Questions |
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| What Grenadier variants does this fit? |
The TrailRax TRMR rack is designed for the INEOS Grenadier Station Wagon. If you have a Trialmaster or Fieldmaster, confirm roof rail compatibility before ordering. |
| Does it require drilling? |
No. The rear section uses existing grab handle assembly bolts. The front quarter clamps to the rain gutter. Completely bolt-on and reversible. |
| Will my Safari windows still open? |
Yes — the rack is designed to allow the Safari windows to open and be removed. You may need to slide one crossbar slightly forward or rearward for full clearance. |
| What's the difference between the Full Rack and the 3/4 Rack? |
The 3/4 rack covers the rear cargo area of the roof. The full rack extends to the front of the roof as well. Both include the wind deflector. The 2-piece modular design means you can start with the 3/4 and add the front quarter later. |
| What is the 50" Light Bar Cut-Out option? |
The standard deflector is a solid wind fairing. The 50" cut-out variant has a precision opening in the deflector designed to flush-mount a 50" off-road light bar, keeping the top face of the rack level with the light bar surface. |
| What accessories are compatible? |
TrailRax maintains a full accessory guide with brands that co-developed their products to fit the TRMR rack. |
More Grenadier Accessories
StickerFab carries a growing lineup of accessories for the INEOS Grenadier — from vinyl overlays and trim plates to reference plates and mudflaps. All shipped from the USA.
