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Ruth Astle’s Argon 18 E-119 Tri+ Disc

A 58-tooth chainring and a super-aero set up sets this British star's bike apart from others you'll see in transition

Photo by: Kevin Mackinnon

After a season where she’s dealt with lots of injury issues, Great Britain’s Ruth Astle put together a solid day at the Ironman World Championship in Kona, where she finished 12th. That’s not quite up to the top-five finish she put together at the May, 2022 world championship race in St. George, but a solid performance none the less, putting together the day’s eighth-fastest bike split.

Flagship aero speedster: Argon 18 E-119 Tri+ Disc 

Astle isn’t done for 2023, though – she’ll be taking on Ironman Cozumel this weekend, looking to add a fourth Ironman title to a resume that includes wins at Ironman Israel (2022) and a pair of wins in Mallorca and South Africa in 2021. Formerly an age-group overall champ on the Big Island, Astle turned pro in 2020, but still works a couple of days every week for Lloyds Banking Group.

We caught up with Astle in Kona to check out her speedy Argon 18 E-119 Tri+ Disc, which she’ll be taking to the flat, fast (and windy) course in Cozumel.

You don’t see this too often … Astle rides the SRAM AXS 1X drivetrain with a monstrous 58 tooth chainring!
Astle uses the Classified Powershift System, which doubles the gear range while still allowing her to use a 1X front chainring.
83 mm Parcours Chrono Max Wheels are paired with Schwalbe tires.

Astle bounces back from disappointing Kona with big win in Israel

The SRAM Red rear derailleur is paired with Ceramic Speed components to reduce friction and for aero performance.
Astle is, well, let’s go with tiny – there’s not much seat post out of the frame here!
The cockpit features Wattshop extensions.
Astle goes with a between the arms bottle cage set up for easy hydration access and aerodynamics.
You’d be smiling if you had a ride this quick, too.
Astle’s position is extremely aero …
… But has been optimized to allow her to maximize her power output.