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Ultra-Grit RED XPLR AXS

  1. £7,499
The ULTRA GRIT is Ribble’s fastest gravel bike—developed and proven by our pro gravel team, the Ribble Outliers, in the chaos of the world’s toughest off-road races, from Unbound to The Traka to The Dirty Reiver. Weighing just 8.0 kg, this range-topping build is made for riders who thrive on the unknown. It pairs a lightweight, aerodynamic frameset with SRAM’s flagship RED XPLR AXS gravel groupset, featuring a built-in power meter, for pro-level training and race insight. Zipp 303 XPLR carbon wheels, versatile 45mm Schwalbe G-One R tyres, a 3D-printed Selle Italia Novus Boost saddle, and a carbon integrated cockpit complete this ultimate performance package. The Ribble ULTRA-GRIT is also available with the optional RockShox Rudy Ultimate suspension fork upgrade, delivering enhanced comfort, control, and confidence when the gravel turns rough and the trails get technical.
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Product code: BGRAVSLRRDXPE1

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Description

The ULTRA-GRIT is Ribble’s fastest gravel bike—developed and proven by our pro gravel team, the Ribble Outliers, in the chaos of the world’s toughest off-road races, from Unbound to The Traka to The Dirty Reiver. Weighing just 8.0 kg, this range-topping build is made for riders who thrive on the unknown. It pairs a lightweight, aerodynamic frameset with SRAM’s flagship Red XPLR AXS gravel groupset, featuring a built-in power meter for pro-level training and race insight. Zipp 303 XPLR carbon wheels, versatile 45mm Schwalbe G-One R tyres, a 3D-printed Selle Italia Novus Boost saddle, and a carbon integrated cockpit complete this ultimate performance package.

Groupset

RED XPLR AXS is built for gravel racers and serious riders chasing every advantage. It delivers ultra-lightweight performance, crisp wireless shifting, and one-finger braking—so you can attack climbs, rail descents, and stay in control at full speed. The 13-speed 10-46T cassette offers tight steps to keep you in the power zone, while the Full Mount derailleur adds rock-solid reliability with no hanger or adjustment screws to worry about. The spider-based power meter with dual-sided measurement tracks every watt with pro-level accuracy, giving you the data to push harder, train smarter, and hit your goals—no matter how big the ride.

Groupset

The Zipp 303 XPLR SW is purpose-built for gravel, delivering unmatched speed, control, and efficiency over rough terrain. Unlike road-based wheel designs, it features an ultra-wide rim optimised specifically for gravel racing tyres, increasing air volume for lower pressures without squirm—reducing vibration, boosting grip, and improving climbing traction. Zipp’s Total System Efficiency approach ensures a smooth, aerodynamic ride, while the lightweight build keeps you fast and fresh all day.

Handlebars

Precision-engineered from high-grade carbon, the Ribble Aero Gravel integrated handlebars combine race-ready stiffness with a streamlined aero profile to reduce drag and enhance efficiency. Flared drops provide added stability and control over rough terrain, while ergonomic shaping ensures all-day comfort. Fully integrated cable routing completes the sleek, cable-free aesthetic.

Handlebars

Saddle

A narrow D-shaped carbon seat post introduces flex where it counts, helping to take the edge off the roughest surfaces for a smoother ride, leaving you feeling fresher for longer. Paired with a Selle Italia Novus Boost 3D Kit Carbonio Superflow saddle, featuring a 3D-printed surface designed to maximise comfort and performance and a Superflow cutout for increased flexibility and airflow.

Saddle

Suspension Upgrade

When the gravel turns rough and the terrain gets technical, the RockShox Rudy Ultimate fork steps in to smooth out the ride. Available as an upgrade on the Ribble ULTRA-GRIT, this premium suspension fork is purpose-built for gravel racing—offering up to 30mm of tunable travel for improved comfort, control, and confidence. Whether you're carving through gravel or hammering down technical descents, Rudy’s refined damping and lightweight design help you stay fast, focused, and in total command.

Suspension Upgrade

Size

To assist you in selecting the correct size, simply find your height on the graphic. It illustrates our recommendations so you can be confident that the size you order will be correct. If you find that your height is between sizes, we recommend you opt for the smaller size.

For more information on why choosing the right bike size is important, please visit our Bike Sizing page, or learn more about Bike Fitting.

Size

Geometry

SizeXSSMMDLGXL
Rider Height5'3 - 5'7 (159 - 169cm)5'6 - 5'9 (167 - 176cm)5'9 - 5'11 (174 - 181cm)5'10 - 6'1 (179 - 186cm)6'0 - 6'4 (184 - 193cm)
Crank Length (mm)165170170172.5172.5
A - Seat Angle75.5°74°73.5°73.3°73°
B - Top Tube (mm)522550570585602
C - Head Angle70.5°71.5°71.5°72°72°
D - Fork Rake (mm)5050505050
E - Head Tube (mm)105125145170190
F - BB Drop (mm)7067656565
G - Seat Tube (mm)470490510530550
RC - Rear Centre (mm)430430430430430
FC - Front Centre (mm)605610626637648
Reach (mm)386394404410417
Stack (mm)526545562588607
Wheelbase (mm)10251031104810581070
Integrated Bar Default (mm)380/430 x 80380/430 x 80400/450 x 90400/450 x 90420/470 x 100
Alloy Riser Bar Default (mm)380/473380/473400/494400/494420/513
RS - 2 Stem Default (mm)70809090100
Min. Saddle Height (mm)620640710730740
Max. Saddle Height (mm)700720790810830

FAQ's

If you're between sizes on the ULTRA-GRIT, we generally recommend choosing the smaller option. It's easier to fine-tune the fit of a smaller frame by raising the seat post or using a longer stem, whereas a larger frame leaves much less room for adjustment.

Weight varies by build and fork type. Based on a medium size:

  • Apex XPLR AXS: 9.0 kg (carbon forks) / 9.7 kg (RockShox Rudy Ultimate)
  • Rival XPLR AXS: 8.9 kg (carbon forks) / 9.6 kg (RockShox Rudy Ultimate)
  • Force XPLR AXS: 8.3 kg (carbon forks) / 9.0 kg (RockShox Rudy Ultimate)
  • Red XPLR AXS: 8.0 kg (carbon forks) / 8.7 kg (RockShox Rudy Ultimate)
  • Outliers Edition: 8.0 kg (carbon forks) / 8.7 kg (RockShox Rudy Ultimate)

The ULTRA-GRIT frame weighs just 890 g in a medium size with raw finish.

Like all Ribble bikes, the ULTRA-GRIT is covered by a lifetime warranty on frame and forks for the original purchaser. This includes any manufacturing defects in materials or workmanship. The standard manufacturer's warranty applies to all other components including 3rd party suspension forks.

Yes, the ULTRA-GRIT frameset is UCI-approved and has been raced extensively by our pro gravel team the Outliers.

Yes. The ULTRA-GRIT is available with the optional RockShox Rudy suspension fork. This upgrade improves comfort and control on rougher gravel trails, helping you stay fast and confident when the terrain gets technical.

Yes. The ULTRA-GRIT features enhanced cable integration for a clean, cable-free look. Cables are hidden from view, protected from the elements and shielded from drag.

The ULTRA-GRIT comes equipped with fast, grippy and versatile 45 mm gravel tyres, with frame clearance for tyres up to 50 mm wide. When mudguards are fitted, maximum clearance is reduced to around 45 mm, depending on tyre brand and tread. The fork can also accept a 29 x 2.1" (700 x 53c) mountain bike tyre.

Yes. The ULTRA-GRIT can be fitted with a rear pannier rack using our adaptor kit, providing a practical way to carry extra gear (kit sold separately).

Yes. The ULTRA-GRIT includes a removable bridge to allow easy mudguard fitting for improved wet weather protection (kit sold separately).

The ULTRA-GRIT is compatible with a 68 mm BSA threaded bottom bracket. BSA threaded bottom brackets offer advantages over press-fit designs, particularly in terms of ease of installation, maintenance and reduced creaking. The threaded design provides a more robust connection, and the standardised threads make it simpler to install and remove.

The ULTRA-GRIT features a 1.5" integrated headset and R457B 52 x 42 x 7 mm 45° x 45° headset bearings top and bottom.

The ULTRA-GRIT features a D-shaped carbon seat post with an integrated wedge clamp, designed for compatibility with carbon-railed saddles. XS–SM frames are equipped with a 280 mm post, while M–XL frames come with a 330 mm post.

The ULTRA-GRIT features two bottle cage mounts with one on the seat tube and one on the downtube. Both are positioned to work seamlessly with Ribble aero bottle cages for optimal aerodynamic performance.

The ULTRA-GRIT includes extra luggage mounts on the top tube and underneath the downtube.

The ULTRA-GRIT features a 12 mm x 123 mm x 1.5 mm front and a 12 mm x 174 mm x 1.0 mm rear thru axle.

Yes. While the ULTRA-GRIT comes with a 1x drivetrain, it can also accommodate a braze-on front derailleur using the supplied hanger and 2x gravel chainsets (31T/48T min/max).

The ULTRA-GRIT uses SRAM’s UDH (Universal Derailleur Hanger) system, standardising hanger design across bikes. That means no more hunting for a frame-specific hanger with just one simple, universal solution.

The ULTRA-GRIT has a maximum recommended system weight of 120 kg, including bike, rider and luggage.

No. The ULTRA-GRIT does not come with pedals as standard so you can choose the best option for your riding style. You can add your preferred set during the bike configuration process.