Kaius Series

Born from three forces of the frontier: the brother who dances with the wind, the one who moves weightless over mountains, and the one carved unbreakable from the earth. United, they form the all new Kaius that carries speed, lightness, and strength into every wild mile.

Introducing the all new Kaius 01.

Gravel racing is faster, faster than ever and just keeps ratcheting up. The latest generation brings unmatched speed, sensations like no other bike can provide, with the grip and control that is demanded by the best.

Built For Gravel Racing

Fast through the wind, lightweight across the heights, and as strong as the ground beneath which it travels, Kaius is built for gravel racing and pure effort, where endurance is tested, speed is earned, and every horizon is reached the hard way.

Aero

Aero Fast. Gravel races are fast. Real fast. Up to and sometimes above a 35 kph average. The road-proven aero advantages of the Teammachine R 01 are now present in the gravel arena.

Stiffness

+3% stiffer, but it’s not just numbers. Bigger tires and added compliance transform the ride into something entirely new.

Weight

No weight added. The 1 + 1 = 1 paradox. More aero. More stiffness. Yet the same lightweight package. Call it dark magic.

Riding fast starts with the ability to hold the perfect position for hours on end. Stable, efficient, and ready to push hard without burning out. But speed isn’t only about power. It’s about control. And yes, compliance can make you faster. Because when the bike stays planted and your wheels stay connected to the ground, traction takes over. And traction is speed.

Innovation & Technology

Halo Fork

The front end is defined by the wide-crown Halo fork, designed to push airflow away from the wheel and tire while creating generous tire clearance. It’s a concept proven on aero-driven platforms like the Teammachine R and even the Timemachine Mpc.

AS10 Seatpost

AS10 refers to Aero Shape Type 10, a testament to our long-standing expertise in seatpost design. Lightweight, aero, and compliant, this latest iteration fits the demands of gravel racing like a glove.

AeroCore Downtube

With its newly sculpted downtube, the Kaius advances our AeroCore philosophy once again, shaping the tube to anticipate the aerodynamic effects of your hydration setup. The result: a bike that’s actually faster with bottles.

Aero Head Tube

A deep cross-section head tube echoes the optimized aero profile of the Teammachine R, and when paired with the new ICS Carbon Aero cockpit, there’s no doubt, you’re riding a machine built for speed.

Smooth Ride. Getting every watt available on rough terrains requires your body to be preserved from shocks. With the new Kaius, BMC’s Tuned Compliance Concept reaches its true potential.

Engineered to keep you fresher, faster, and in control when the race gets rough.

Q&A

The Kaius is specifically designed for gravel racing, combining low weight, stiffness, and aerodynamic shaping to maximize speed on rough surfaces.

The Kaius supports up to 52 mm tire width, making it suitable for most race-focused gravel terrains.

Aero performance comes from features like:

• Tube profiles heritage of the Teamamchine R 01.

• Integrated AeroCore bottle cages

• Narrow ICS Carbon Aero cockpit of second generation

We have included 5 cargo mounts with the standard 64mm bottle cage threads. If we list them all:

• downtube bottle cage mount including the AeroCore bottle cage.

• seat tube bottle cage mount including the AeroCore bottle cage.

• bottom bracket cargo mount underneath the downtube.

The frame is designed for modern racing groupset using wireless technology such as SRAM AXS or the latest SHIMANO Di2. The frame does not offer electronic wires routing. Therefore it’s not compatible with Shimano 12s Di2 with wired battery like RX810, RX825 or RX820 in 2x configuration. Only the RX820 in 1x configuration, RX 710 are compatible as they feature a rear derailleur with integrated battery.