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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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Progressive Geometry: Quick and nimble yet ensures stability and control on fast, choppy descents.
Versatility: Suited for a wide variety of ride styles, from gravel and bikepacking to daily commutes.
Tyre Clearance: Massive clearance allows the use of tires up to 45c for extra traction and stability in any conditions.
Integrated Mounts: Frame bag mounts and rack and mudguard mounts make it easy to carry gear and water.
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.
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.
Sram Apex AXS XPLR Groupset
Team Aero-Gravel i23 TC AGX Disc Wheelset
3D System
Gravel Geometry
Argon Fit System
Unrivaled versatility and performance in gravel biking
Premium E5 alloy frame and full carbon FACT fork for dynamic rides
Progressive geometry for stability and responsiveness on any terrain
All-Terrain Mastery: The Tripster AT excels in diverse terrains, from commuting to gravel trails and continent-spanning adventures.
Adaptable Swiss Army Bike: Versatile features include through axles, multiple tire size options, and compatibility with various group sets, making it a go-to for any riding scenario.
Customizable Comfort: The Columbus Futura Cross Plus fork allows riders to adjust rake (47mm to 52mm), tailoring the bike's performance for individual preferences, frame sizes, or loaded bike packing setups.
Frame: Specialized E5 Premium Aluminum with D'Aluisio Smartweld Technology
Fork: FACT Carbon, 12x100mm thru-axle
Weight: 1.98kg (4 lb, 5.8 oz)
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Assumed Credit Limit $1,590.00
Purchase Interest Rate 23.9% P.A. (variable)
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Finance provided by PayPal Credit. Terms and conditions apply. Credit subject to status, UK residents only, Sigma Sport Limited acts as a broker and offers finance from a restricted range of finance providers. PayPal Credit and PayPal Pay in 3 are trading names of PayPal UK Ltd, 5 Fleet Place, London, United Kingdom, EC4M 7RD.
Simply add your item to the basket and select V12 Finance as your payment method during the checkout.
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