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Payment options through Affirm are subject to eligibility, may not be available in all states, and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Financing Law license. For licenses and disclosures, see affirm.com/licenses.

"This bike is fast. Like, freakishly fast. Like, Sonic-on-performance-enhancing-drugs fast. It also looks cool as hell." - Esquire Magazine

"A2 did a great job of offering four sizes with a fairly wide range of reach, made even more adaptable with intentional adjustability. In particular, the front-end of the new SP1.X series has a stem that allows for more flexibility than the last version, and the seatpost head has a huge range of fore/aft adjustability, allowing for a very steep or shallow effective seat angles and potential fit setups." - Triathlete Magazine

Adjustability = Speed

It doesn't matter how aero your bike is, if you aren't comfortable enough to hold your aero position, you'll be slower. The SP is the most adjustable Tri Bike in the world, to get you comfortable, and get you fast.

A2 Support

At A2, we take pride in unmatched customer service. As triathletes and cyclists ourselves, we’re here to help you reach your goals. Whether you web chat, email, or text us, you’ll hear back within hours. From pre-purchase questions to post-ride support, we’ve always got your back.

A2 Bikes in the News

A2 Bikes Escapes from Alcatraz

A2 Bikes Escapes from Alcatraz

Shhh, don't tell anybody if you're reading this, but there is a warrant out for our arrest because we escaped from Alcatraz the other weekend... 😬 Escape from Alcatraz, which...

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Why Your Road Bike Might Be Your Most Important Triathlon Tool

Why Your Road Bike Might Be Your Most Important Triathlon Tool

So a road bike, huh? Have you been doing most or all of your training rides on your tri bike? Awesome! That's a great start. But did you know that...

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