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View all the bikes we currently have in stock at Sigma Sports. We have a wide choice of premium brands to choose from including Trek, Argon18, Specialized, Colnago, Pinarello, Cervelo, CUBE, Cannondale and Bianchi to name just a few. Unsure what size bike you need? Read our handy guide.
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Fork: Cervélo All-Carbon, Tapered P5 Fork
Wheelset: Reserve 63, 24.4mm IW, Zipp ZR1 ST, 12x142mm, HG freehub, 24h, centerlock, tubeless compatible
Crankset: Shimano Ultegra R8100, 52/36T, 12 Speed
Crankset: Shimano Ultegra R8100 with 4iiii Precision Pro dual-sided power meter
Wheels: Reserve 63 (rear) and Reserve 52 (front), tubeless compatible
Brakes: Riderever Triva Carbon Di2, paired with Shimano Ultegra calipers
Advanced Suspension: Future Shock 1.5, FACT carbon fork
High-Performance Drivetrain: SRAM Apex Eagle 12-speed
Versatile Wheelset: AXIS Elite Disc, Pathfinder Pro 2BR
Wheels: Vision Team i23 Disc front and rear, tubeless compatible with XDR freehub.
Drivetrain: SRAM Rival AXS, 12-speed, including Rival AXS derailleurs and shifters, with a power meter.
Crankset: SRAM Rival AXS with 48/35T chainrings and DUB bottom bracket.
Featherweight Build: Crux is the world's lightest gravel bike with groundbreaking 725g (12r) and 825g (10r) frames, inheriting Aethos' weight-saving breakthroughs.
Generous Tire Clearance: Boasting 47c/650b x 2.1” tire clearance, the Crux excels with Diverge-level versatility, empowering riders to explore any terrain at full speed.
Dynamic Responsiveness: Nimble, supple, and responsive, the Crux offers a dream-like climbing experience, effortlessly floating over challenging terrains, thanks to its performance gravel geometry.
Tailored Geometry Options: Available in various sizes (49, 52, 54, 56, 58, 61), Crux provides a personalized fit with stack, reach, and other geometry specifications catering to diverse rider preferences.
Versatile and smooth, ideal for your first performance road bike.
Accommodates larger tires for comfort on both tarmac and gravel roads.
Internal cable routing and integrated cockpit offer a sleek, premium look.
Wheels: Reserve 49TA rear and 42TA front, tubeless compatible with Zipp hubs.
Drivetrain: SRAM Force AXS, 12-speed, with power meter, including Force AXS derailleurs and shifters.
Crankset: SRAM Force AXS with 48/35T chainrings and DUB bottom bracket.
Super Plastic Formed Alloy Frame
Constructed from tubes that are created with an advanced manufacturing technique named Superplastic Forming (SPF), which involves heating the alloy until exhibits superplasticity, and then creating complex tube shapes using gas pressure.
Columbus Futura Road Disc Fork
T700S and HFM Carbon Fibre Monocoque construction, 45mm rake, 440g fork. Stiff with high vibration damping for a smooth ride.
30mm Tyre Clearance
It is becoming widely accepted that wider tyres offer more speed, more grip and more comfort on real world surfaces. The Aithein Disc will take up to 30mm tyres so you can choose the right tyre for you and your riding conditions.
Kinesis Rider Fit Geometry
Geometry adjustments have been made to ensure a better fit across a greater range of rider dimensions. As a result there is more consistent handling across sizes, less toe overlap, and more intuitive sizing.
68mm Threaded BB
Threaded BBs allow you to use reliable, creak free bottom brackets that withstand year round British conditions.
Adaptable Cable Ports
Thanks to interchangeable cable entry points you can run exactly the routing you need, ensuring there are no excess holes into the frame.
Wireless Electronic / Mechanical / 2x / 1x Compatible
The Aithein frame is designed to work with mechanical and all wireless electronic groupsets.
Unbelievably light and fast with a sleek, aerodynamic design
Built for road racing, PRs, KOMs, and victory on the podium
Lightweight, low-drag carbon frameset for optimal speed, handling, and comfort
Supernatural handling, blending stability and agility for ultimate performance
Unbelievably light and fast with a sleek, aerodynamic design
Built for road racing, PRs, KOMs, and victory on the podium
Lightweight, low-drag carbon frameset for optimal speed, handling, and comfort
Supernatural handling, blending stability and agility for ultimate performance
Full carbon frame - For a lightweight and compliant ride.
Semi integrated cables - Clean and sleek cockpit with easy maintanance.
Mounting points - For fenders.
32c tire clearance - For a comfortable ride with optimal performance.
Ultralight Series 0 Carbon frame construction
Low-drag Cannondale SystemBar R-One integrated bar/stem
Premier aerodynamics with Reserve Turbulent Aero carbon wheelset
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Assumed Credit Limit $1,630.00
Purchase Interest Rate 23.9% P.A. (variable)
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Read more about buying on finance. Please note finance is only available to UK residents.
Subject to Status. Terms and Conditions apply. Sigma Sports Limited acts as a credit broker “Licence Number 688619” and not a lender offering credit products from Secure Trust Bank PLC trading as V12 Retail Finance.
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Important Update for Our Canadian Customers
We regret to inform you that shopping on Sigma Sports is temporarily unavailable for customers based in Canada.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our Canadian community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team