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Ultra-Race Ultegra Di2

  1. £4,999
Attack anywhere—on climbs, breakaways, or descents—the UCI-approved Ultra-Race is built to perform. Engineered for precision and performance, it pairs Shimano's Ultegra Di2 groupset with Vision SC45 carbon wheels, Pirelli P-Zero tyres, and a race-tuned Selle Italia SLR saddle, all finished with a one-piece carbon cockpit for speed, control, and podium-ready performance.
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Product code: BRCSLR8100D

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Description

It doesn’t matter when you launch your attack. On a brutal climb, amidst the chaos of a breakaway, or carving through tight corners on a blistering descent, the UCI-approved ULTRA-RACE is built to deliver in every race situation. The featherlight 775g frame is constructed from next-generation MT65 carbon with zonal deployment for maximised stiffness and power transfer where it counts. Precision-engineered for peak performance, it pairs Shimano’s pro-level Ultegra Di2 electronic groupset with Vision SC45 carbon wheels, grippy Pirelli P-Zero tyres, and a race-optimised Selle Italia SLR saddle. A one-piece carbon cockpit maximises aero efficiency and delivers the handling edge you need to reach the podium.

Groupset

Shimano's latest Ultegra drivetrain delivers next-level ergonomics, enhanced braking control, and the unmatched precision of Di2 electronic shifting. Experience the world’s fastest, most reliable wireless shifts and a wide gear range that keeps even the steepest climbs within reach. With Di2, every shift is instant, accurate, and effortless—putting you in total control.

Groupset

Wheelset

The Vision SC45 carbon wheels feature a versatile design optimised for 28–32mm tubeless-ready tyres, delivering the ideal balance of speed and efficiency. Paired with Pirelli P Zero road tyres, they offer a winning combination of performance, durability, and comfort. The lightweight carcass provides outstanding puncture resistance without compromising ride quality.

Wheelset

Handlebars

Precision-engineered from high-grade carbon, the Ribble Aero integrated handlebars deliver race-ready stiffness with a streamlined aero profile that reduces drag and boosts efficiency. Contemporary styling meets performance with ergonomic shaping for all-day comfort and fully integrated cable routing for a clean, modern, cable-free finish.

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 SLR Boost which brings high performance and comfort to any road ride or race event. The neutral shape allows complete freedom of movement without compromising pedaling efficiency or power output.

Saddle

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.

Size

Geometry

SizeXXSXSSMMDLGXL
Rider Height4'11 - 5'3 (149 - 161 cm)5'3 - 5'7 (159 - 169cm)5'6 - 5'8 (168 - 173cm)5'8 - 5'10 (172 - 178cm)5'10 - 6'0" (177 - 183cm)6'0 - 6'6 (182 - 197)
Crank Length165165170170172.5172.5
A - Seat Angle75°74.5°74°73.5°73.3°73°
B - Top Tube (Horizontal)505520535550570585
C - Head Angle71°71°72°72.5°73°73.3°
D - Fork Offset (Rake)555545454545
E - Head Tube110115130150170190
F - BB Drop686868686868
G - Seat Tube (C/Top)420470500520540560
FC - Front Centre582593584591603612
RC - Chainstay Length410410410410410410
Reach370379383388399404
Stack504509530551571591
WB - Wheelbase98399398599110041012

FAQs

If you're between sizes, 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.

Complete build weights, based on a white frame in a medium size, are: Dura-Ace Di2 (7.0kg), SRAM Red AXS (7.0kg), Ultegra Di2 (7.7kg), 105 Di2 (8.3kg).

A SRAM Red AXS build with Scope Artech wheels and medium frame weighs 6.58kg.

Frame only weight is 775g based on a medium size.

We offer a lifetime warranty on all Ribble frames and forks for the original purchaser. This covers any manufacturing defects in materials or workmanship so you can ride with complete confidence. The standard manufacturer's warranty covers all other components.

Yes, the ULTRA-RACE has received accreditation to be race-legal for UCI-sanctioned events.

Yes, enhanced cable integration offers a neat, cable-free appearance by keeping cables hidden, shielded from wind, and protected against the elements.

The ULTRA-RACE is equipped with fast, durable, and grippy 30mm road tyres and can accommodate up to 32mm tyres.

No, the ULTRA-RACE is designed as a pure racing bike. If you want pannier rack compatibility, please check out the Allroad collection.

No, the ULTRA-RACE is not designed to accept full coverage mudguards.

The ULTRA-RACE features two bottle mounts on the seat and down tubes. It is designed to be faster with bottles fitted than without. Pair it with Ribble Aero downtube and seat tube bottle cages to maximise aero gains.

Yes, we recommend a maximum system weight of 120kg (bike, rider & luggage)

It's designed to accept a 68mm BSA threaded bottom bracket.

No, the handlebars can't be raised after the bike has been built, as the steerer tube is trimmed to the correct length during assembly. However, we include 20mm of spacers, so you can lower the bars if needed—but raising them further won't be possible.

The ULTRA-RACE has a proprietary D-shaped carbon seat post, making it incompatible with third-party brands.

The frame is designed to accept the latest flat mount disc brakes.

The frame uses M12 x 123 mm x 1.5 mm front and M12 x 169 mm x 1.5 mm rear thru-axles.

To accommodate the wide range of pedal and shoe preferences, our bikes don’t come with pedals as standard. However, you can easily add your preferred option from our best-selling pedal selection during the bike configuration process.