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Big days on rough roads feel different with the Rudy Ultimate Race Day 2 Fork
What Our Gearhead® Experts Are Saying:
"I ran the Rudy Ultimate XPLR on a mixed bikepacking route with everything from packed gravel to chunky double track and the Open and Lock modes made it easy to stay efficient on climbs and open things up when the terrain got rough. The fork is noticeably light for a suspension unit and the 30mm Fast Black stanchions keep steering crisp even on long days when fatigue starts to creep in. It hits a sweet spot that rigid forks and heavier suspension options both miss."
Gravel roads have a way of humbling even the fittest riders, and the difference between a great day and a beaten-up one often comes down to what is happening at the front of the bike. The RockShox Rudy Ultimate Race Day 2 Fork was designed for exactly that reckoning, bringing purpose-built suspension to the gravel category without the weight penalty that has historically made that trade-off feel questionable. Built around the Charger Race Day 2 damper and a Solo Air spring tuned for short travel efficiency, it delivers genuine compliance where rigid forks simply cannot.
The Charger Race Day 2 damper offers Open and Lock compression modes alongside external rebound adjustment, giving riders meaningful control over how the fork behaves across different terrain and effort levels. Lock down for smooth climbs and flat sections where efficiency is everything, then open it up for washboard descents and chunky connectors where traction and comfort matter more. Fast Black 30mm stanchions run through magnesium lowers and a forged hollow aluminum crown, keeping the overall package light and steering precise across long days and loaded setups alike. Tire clearance up to 700x50mm and compatibility with both full and short bolt-on fenders make the Rudy Ultimate a practical choice for everything from race-day builds to multi-day adventure rigs, and the choice between 45mm and 51mm rake ensures the fork can be matched to a wide range of gravel frame geometries.
Details
- Gravel suspension fork available in 30mm and 40mm travel options
- Charger Race Day 2 damper offers Open and Lock compression modes
- External rebound adjustment fine-tunes feel across terrain and rider weight
- Solo Air spring tuned for short travel efficiency and small bump sensitivity
- Fast Black 30mm stanchions provide responsive steering with low friction
- Forged hollow aluminum crown and magnesium lowers save meaningful weight
- Clears tires up to 700x50mm for mixed surface and adventure builds
- Available in 45mm or 51mm rake to match a wide range of gravel geometries
- Item #RSXB09A
- Travel
- 30mm, 40mm, 51mm
- Stanchion Material
- aluminum
- Lower Material
- Magnesium
- Crown Material
- forged hollow aluminum
- Wheel Size
- 700c
- Steer Tube Diameter
- 1.5in tapered
- Stanchion Diameter
- 30mm
- Axle To Crown
- [30mm] 425mm, [40mm] 435mm
- Rake
- 45mm, 51mm
- Spring Type
- solo air
- Damper
- Charger Race Day 2
- Adjustability
- External rebound
- Axle
- 12 x 100mm
- Brake Compatibility
- direct flat mount disc
- Rotor Compatibility
- 160mm - 180mm
- Claimed Weight
- [30mm] 4lb 14oz (2233g), [40mm] 4lb 13oz (2188g)
- Manufacturer Warranty
- limited 2 years
- Activity
- gravel
- Manufacturer Part Number
- 140937-08-700, 00.4021.080.007, 140937-07-700, 00.4021.080.006