Quick Summary
The RockyMounts Tomahawk is an upright roof bike rack. It uses a front-wheel hook and front and rear wheel straps, so the bike frame does not make contact during loading.
This rack is described as fat bike ready out of the box for tires up to 5 inches, and it includes two wheel strap extensions. It also mounts to round, square, factory, and aero crossbars.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Upright roof bike rack for carrying bikes on crossbars. |
| Frame contact | No bike frame contact during loading. |
| Fat bike readiness | Described as fat bike ready out of the box for tires up to 5 inches. |
| Included extensions | Includes two wheel strap extensions. |
| Crossbar compatibility | Mounts to round, square, factory, and aero crossbars. |
| Wheel size | Fits bikes with 20 to 29 inch wheels, except those with front fenders. |
What to Compare Before Buying
- Crossbar style: This rack is described for round, square, factory, and aero crossbars. Check that your bars match one of those styles.
- Tire and wheel setup: It is described for tires up to 5 inches and wheels from 20 to 29 inches. Compare those limits with the bike you plan to carry.
- Front fenders: Bikes with front fenders are excluded in the stated fit guidance, so confirm your bike’s front-end setup.
- Installation side: The swingarm adjusts for driver side and passenger side installation, so you can match the rack to the vehicle layout.
Before You Decide
Confirm that your crossbars, wheel size, and tire width fit the stated range. Also check whether your bike has front fenders, since that is called out as an exclusion. The included wheel strap extensions and side-adjustable swingarm help define the exact version you are choosing.





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