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Aethos Expert Rival eTap AXS Road Bike 2025

Aethos Expert Rival eTap AXS Road Bike 2025

Original price was: 3 584,47 £.Current price is: 98,17 £.

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SpecializedAethos Expert Rival eTap AXS Road Bike 2025

Aethos – Billions of calculations in the pursuit of one thing: the perfect ride. It’s more than just a motto, it’s a philosophy. The Aethos has been designed to straddle the line between perfected ride quality, extreme light weight, and undeniable style, and this Expert model is no exception.

The Aethos frame has been designed with the perfect combination of ultimate ride feel, light weight, and style. From accelerating up steep climbs and descending technical descents, to all-day saddle comfort on even the longest coffee rides, the Aethos hits the mark. But how, you ask? By reinventing the traditional road shape found on bikes of the past, we’ve subtly altered these shapes to deliver massive gains in stiffness and balance, all without affecting weight or durability. Pair that with an entirely new layup and process that we’ve perfected over multiple decades, and you have the lightest frame out there (585 grams, S-Works, size 56cm). The Aethos is more than just a new bike—it’s the first of a new breed.

A featherweight frame is useless without confidence-inspiring ride characteristics, which is why we’ve developed the Aethos to have the perfect balance of front and rear stiffness combined with exceptional ride quality. By studying the flexing and breathing of carbon fibre, we were able to discover groundbreaking findings about how forces flow through frames. Just a few pedal strokes and you’ll realise this sublime ride sets a new standard.

Every detail, from the derailleur hangers to the fork expander plug, has been designed with style, weight, and durability in mind. We’ve also equipped it with Roval’s all-new Alpinist carbon seatpost, further saving weight and improving ride characteristics. Everything in pursuit of the perfect ride.

Technical Specification

Fork	FACT Carbon, 12x100mm thru-axle, flat-mount disc
Handlebars	Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach
Stem	Specialized Pro SL, alloy, 4-bolt
Tape	Supacaz Super Sticky Kush
Saddle	Body Geometry Power Expert
Seatpost	Roval Alpinist Carbon Seatpost
Seat Binder	Specialized Alloy, 30mm
Front Brake	SRAM Rival eTap AXS, hydraulic disc
Rear Brake	SRAM Rival eTap AXS, hydraulic disc
Chain	SRAM Rival 12-speed
Crankset	SRAM Rival DUB, Power Meter, 48-35t
Chainrings	48/35t
Bottom Bracket	SRAM DUB BSA 68
Front Derailleur	SRAM Rival eTap AXS, braze-on
Rear Derailleur	SRAM Rival eTap AXS, 12-speed
Shift Levers	SRAM Rival eTap AXS
Cassette	SRAM Rival, 12-speed, 10-36t
Front Wheel	Roval C38, 21mm internal width carbon rim, tubeless ready
Rear Wheel	Roval C38, 21mm internal width carbon rim, tubeless ready
Front Tyre	S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x28mm
Rear Tyre	S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x28mm
Inner Tubes	700×20-28, 48mm Presta Valve

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.

If you require any assistance please contact our Customer Care team.