BMC is debuting an updated version of its Kaius 01 gravel bike, touting an all-new frameset with not only some new geometry tweaks such as a steeper head tube angle, more stack, a shorter reach and longer fork trail, but clearance has also been increased to now accommodate tires up to a hefty 54mm.
Additionally, aero improvements come courtesy of BMC’s new AS10 seatpost and ICS Carbon one-piece cockpit that are borrowed from its latest Team Machine SLR 01 road bike, as well as the new aero-enhanced “Halo” fork.
The Kaius also gets the same integrated Aerocore cages as found on the Swiss brand’s Team Machine.
Naturally, weight and stiffness have also been bolstered by a claimed 4% and 3%, respectively, with a size medium frame tipping the scales at 998 grams.
Also, for those looking for some white paper proof of the Kaius 01’s aerodynamic properties (aka “Aerosynthesis”), BMC says the new graveler grinder cheats the wind to the effect of a 7% improvement over its predecessor when shod with 45mm tires.
“A bike purpose-built for gravel racing, the Kaius 01 ONE proves you can be aero, responsive, and brutally fast on dirt. Generation two of this gravel race bike pushes this idea even harder. Aerodynamics are sharpened again, delivering a measured 7% gain at 40 km/h. Power transfer is more direct thanks to our 01 Premium Carbon layup, leading to a more responsive ride. Compliance, 51mm tire clearance and high-speed stability have all been refined so you can rip the turns and stay planted when corners come fast and the surface stops cooperating,” says BMC.
Elsewhere, the Kaius 01 has been treated to a third set of bosses under the down tube and top tube mounts, plus a cargo plate underneath the top tube, granting it bikepacking capabilities as well.
The Kaius 01 is offered as a frameset only for $5,100 or in three complete builds, with pricing starting at $6,200.
Here’s how the models break down:
Kaius 01 Three
Kaius 01 Two
Kaius 01 One
BMC
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