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BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red
BMC Kaius 01 Four Gravel Bike Black/Red

BMC Kaius 01 Four Gravel Bike Black/Red

BMC Kaius 01 Four Gravel Bike Black/Red

Brand: BMC

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Carbon Frame/ Carbon Fork
Carbon Frame/ Carbon Fork
700c Wheel Size
700c Wheel Size
Hydraulic Disc Brake
Hydraulic Disc Brake
SRAM Rival eTap AXS Groupset
SRAM Rival eTap AXS Groupset
1 x 13 Speed
1 x 13 Speed

Product Details

Description

The BMC Kaius 01 Four is a purpose-built gravel racing machine engineered for speed, stiffness and precision across demanding terrain. Its race-optimised geometry blends low weight with compliant ride feel to boost traction, stability and climbing efficiency on mixed surfaces. With an aero-minded cockpit, stealth cable routing, and top-tier components, it’s ready to chase podiums and demand peak performance on every ride.

Key Features

  • Premium carbon frame for gravel speed
  • Aerocore design cuts wind resistance
  • ICS integrated cable routing for clean setup
  • 13-speed SRAM Rival XPLR AXS drivetrain

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

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For the BMC Kaius 01 Four Gravel Bike Black/Red we suggest the following size.

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PERFECT RIDE GUARANTEE

PERFECT RIDE GUARANTEE

If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

FREE BIKE BUILD

FREE BIKE BUILD

We'll build your bike for free when you click and collect at any 99 Bikes store.

FIRST FREE TUNE-UP

FIRST FREE TUNE-UP

Every bike comes with a complimentary free tune-up and safety check. Learn more »

Aerocore wind advantage

Harnesses advanced shaping to slice wind and boost momentum.

Race-tuned geometry

Delivers confident handling, efficient power transfer and stability.

Lightweight endurance build

Keeps acceleration sharp and climbs effortless over long events.
CM
150cm
155cm
160cm
165cm
170cm
175cm
180cm
185cm
190cm
195cm
XS
XS
SM
SM
MD
MD
LG
LG
XL
XL
XXL
XXL

Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

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