Argon 18 Krypton 105 Di2 Bike
-
RA price match promise
-
Pay later with
,
and
Pickup available at RA Cycles - Brooklyn
Usually ready in 24 hours
Questions about this product?
Questions about this product?
What size do I need?
What size do I need?
Schedule a Bike Fit in Walnut Creek, CA.
Schedule a Bike Fit in Brooklyn, NY. Please call 718-636-5242
Argon 18 Krypton 105 Di2 Bike
Argon 18 Krypton 105 Di2 Bike Info
The Argon 18 Krypton 105 Di2 is Argon 18's most versatile road bike — a carbon all-road machine built in the Montreal brand's tradition of precise engineering and rider-first geometry. Where pure road bikes demand sacrifice and gravel bikes ask you to slow down, the Krypton holds a more useful line: fast enough for a spirited group ride, stable enough for a long day on mixed surfaces, and comfortable enough to want to repeat it. Argon 18 describes it plainly as their most versatile bike, and that clarity of purpose is evident in every decision made on this frame.
Frame Engineering
The Krypton's carbon frame is built around several interlocking technologies that work together rather than competing. The Topological Compliance System — Argon 18's approach to ride quality — decouples vertical flex from lateral stiffness by engineering compliance into specific areas of the frame. The result is a bike that absorbs road chatter and dampens vibration without going soft when you're putting power through it in a sprint or a sustained climb. Paired with Endurance Geometry, which positions the rider in a slightly more relaxed stance than a pure race bike, the Krypton is designed for the hours of riding where position fatigue becomes the limiting factor before fitness does. Argon 18 also applies size-specific geometry through their Argon Fit System, meaning the frame shapes shift as you move through the size run rather than simply scaling the same triangle up or down. XXS through XL riders each get a geometry calibrated to their proportions.
Shimano 105 Di2
Shimano's 105 Di2 groupset brings 12-speed electronic shifting to a price point that used to belong to mechanical-only builds. The R7150 derailleurs handle front and rear actuation with the same servo-motor precision as Shimano's higher-tier electronic systems — shifts are consistent whether you're pushing hard or soft-pedaling through a descent. R7170 levers integrate the controls with hydraulic disc brakes, and Shimano RT70 rotors at 160mm front and 140mm rear handle the stopping. A 50/34 compact crankset paired with an 11-34T cassette gives the Krypton a wide spread for climbing without leaving gaps in the middle of the range. The Token T47 bottom bracket keeps the drivetrain running cleanly in a threaded shell format that's easy to service. Scope S4.A wheels carry Vittoria Corsa N.EXT G2.0 tires in 700x32 — wide enough to run at lower pressure for comfort and grip, narrow enough to hold reasonable pace on pavement.
Built for the Long Haul
Argon 18 engineered practical features into this frame that show up on the rides where they matter. The Integrated Toolkit is a storage compartment built into the downtube — space for a multi-tool, a tube, or an energy bar, accessed without a bag. On long days away from services, or on mixed routes where a saddle bag would create drag, that's genuinely useful. The 3D System refers to the headset design, which allows fit adjustments — height, reach, offset — without cutting the steerer or committing to a fixed stack. It's a small thing until you're trying to dial in position over a few months of riding, at which point the flexibility is significant. The Argon 18 TDS-C seatpost, FSA SMR stem, and FSA Energy SCR Compact handlebar round out the cockpit, with Ciclovation Leather Touch bar tape stock.
The Krypton 105 Di2 is the entry point into the Krypton lineup, and the 105 Di2 groupset represents a genuine upgrade path from mechanical components rather than a compromise. At $5,299, it puts Argon 18's carbon engineering and electronic shifting within reach of riders who've been waiting for the price to come down. Available in Rainbow Grey across six sizes. For riders who want one bike that does most things well — fast road days, long mixed-surface routes, loaded brevets — the Krypton makes a strong case.
Argon 18 Krypton 105 Di2 Bike - Specifications
*Specifications are subject to change.
Argon 18 Krypton 105 Di2 Bike Geometry
The RA Perspective
The RA Black Experience - Transforming How You Buy a Bike
The R&A Transporter Bike Box
Shipping bikes can be tricky. They are big and bulky but delicate. Shipping your passion / investment is nothing we take lightly. We go through great detail to ensure your new ride will get to you in perfect condition.
So you've purchased the bike of your dreams! We've put together this video to outline the R&A concept of shipping bikes and the steps we take to get you your new bike in perfect condition. It will show you the careful steps we take to assemble your bike to make it as easy as possible for you to get your bike on the road when you receive it. Ready to ride. It will also show you the tips and tricks of removing all of your parts in the most careful way to ensure your riding as quickly as possible.
