Argon 18
Sum Shimano Ultegra Di2
The Argon 18 Sum Ultegra Di2 is built for riders who want pure road performance without compromise. With electronic shifting, premium carbon engineering, and high‑end wheels and tires, this bike delivers speed, precision, and efficiency on every ride.
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Shimano Ultegra Di2 R8150 electronic shifting for fast, accurate performance
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Scope R4 wheels derived from the award‑winning Artech series
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Vittoria Corsa N.EXT TLR 28mm tires for speed, grip, and durability
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SUM carbon frameset with fully integrated cables
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FSA cockpit components for stiffness and control
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Shimano Ultegra R8100 52/36 crankset and 11‑30 cassette
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Shimano Ultegra R8170 hydraulic disc brakes
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Repente Quasar saddle and Ciclovation bar tape
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Tire clearance up to 30C (32mm measured)
Ideal for: Riders seeking a fast, responsive, race‑ready road bike with the smooth precision of Shimano Ultegra Di2 and a high‑performance wheel‑tire system.
Shipping information
Ships in 2–3 business days with free delivery across Canada on orders over $99. Same‑day pickup available Tue–Sat (closed Sun–Mon).
Returns & warranty
Enjoy hassle‑free returns within 30 days on unused items in original packaging (excludes bikes and sale items). Free in‑store returns anytime.