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2026 BMC

Kaius 01 THREE

A carbon frame gravel bike with high-end components and shimano grx 800 hydraulic disc brakes.
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Manufacturer Price

$7,299
Weight18.3 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetGRX 800, GRX Di2
Power Meter4iiii Precision
BrakesShimano GRX 800 Hydraulic Disc
View on us.bmc-switzerland.comLearn about BMC
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Kaius 01 THREE
Other Gravel bikes
Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Kaius model range

View Comparison
Sizing
47cm

< 5'6"

51cm

5'4" – 5'9"

54cm

5'7" – 5'11"

56cm

5'10" – 6'2"

58cm

6'0" – 6'4"

61cm

6'2" +

Rider Fit Notes

None yet.

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Price History
Reviews
Bikerumor
New BMC Kaius 01 Attacks from All Angles to Become Next 'Ultimate Gravel Race Bike'

Apr 2026 · Zach Overholt

The new Kaius 01 is more aero, stiffer, lighter, and adds more tire clearance. Impressive.

Highs
  • Revised frameset 63g lighter, 3% stiffer, 4% weight savings

  • 12% improvement in bike-only aerodynamics, 1.05% system-wide speed gains

  • Tire clearance up to 52mm

  • T47 x 85.5 threaded bottom bracket

  • External cargo system with top tube bag mounts, Cargo Plate, AeroCore cages

  • Integrated chain guide with options for 38t-50t chainrings

  • Full Mount compatible UDH dropout

  • 5mm reduction in reach for more aggressive position

  • 10mm additional ground clearance

  • 4mm additional trail, 5mm longer chainstays

Lows
  • No in-tube storage

  • Stiff fork and one-piece cockpit transmit big impacts on rough terrain

Read Review

Escape Collective
BMC brings aero and geo updates to its new Kaius 01

Apr 2026 · Ronan Mc Laughlin

One of the raciest gravel bikes gets even racier while adding some practicality.

Read Review

Gran Fondo Magazine
New BMC Kaius 01 2026 on Review – the Ultimate Gravel Racer?

Apr 2026 · Jan Fock

BMC Kaius 01 2026 Review: Aero, Light and Fast, but How Good Is the New Gravel Racer?

Highs
  • Snappy acceleration thanks to low weight

  • Agile handling

  • Well-judged compliance

  • Impressive versatility for a race bike, with generous tire clearance and plenty of mounting points

Lows
  • None

Read Review

Velo
BMC Issues Recall of Kaius 01 Gravel Bikes for Steerer Tube Failure

Feb 2025 · Alvin Holbrook

Swiss manufacturer says 'certain fork steerer tubes have separated under heavy duty riding conditions' of its BMC Kaius 01 gravel bike.

Read Review

BikeRadar
BMC Kaius 01 One review

May 2023 · Warren Rossiter

BMC’s flagship Kaius model is an ultra-light, racing, aero superbike designed for… gravel

Highs
  • Very light frame

  • Exceptionally fast in the right conditions

  • Great specification

Lows
  • Can be a handful on rough technical terrain

Read Review

Cyclist
BMC Kaius 01 One review

Jan 2023 · Sam Challis

The new Kaius makes gravel rides feel like road rides

Highs
  • Fast ride feel off-road

  • Comfort levels

  • Good attention to detail

  • Forward-thinking cockpit design

Lows
  • Quirky on-road handling

  • Price

  • Colour

Read Review

Geometry
Specs
Build
Frame

Kaius 01 Premium Carbon with Aerocore Design | ICS Technology Stealth Cable Routing | UDH Dropout (Universal Derailleur Hanger) | TCC Race Compliance Level | Flat Mount Disc | 12 x 142mm Thru-Axle

BB StandardBB86/BB92, Press Fit

Hanger StandardUDH

Tire Clearance44c

ColorStone Grey

Fork

Kaius 01 Premium Carbon | ICS Technology, Stealth Cable Routing | TCC Race Compliance Level | Stealth Dropout Design | Flat Mount Disc | 12 x 100mm Thru-Axle

Bottom Bracket

SHIMANO Ultegra Press-Fit Bottom Bracket (SM-BB72-41B)

Stem

BMC RSM 01 | Integrated Cockpit System Technology

Handlebar

BMC HB D4 03, 0, 12 | Alloy 6061 | Endurance Geometry | 125mm drop, 70mm reach, 12° flare

Saddle

Fizik Vento Argo X3 | Kium rails | 140mm

Seatpost

Kaius 01 Premium Carbon D-Shaped Seatpost | 15mm Offset | D-Fender Compatible

TypeRigid

Groupset
Rear Derailleur

SHIMANO GRX Di2 (RD-RX825)

Front Derailleur

SHIMANO GRX Di2 (FD-RX825)

Crank

SHIMANO GRX (FC-RX820-2)

Power Meter

4iiii Precision Gen3+ Power Meter (Non-Drive Side)

Shifters

SHIMANO GRX Di2 (ST-RX825)

Cassette

SHIMANO Ultegra (CS-R8101)

Chain

SHIMANO CN-M8100

Brakes

SHIMANO GRX (BR-RX820)

TypeShimano GRX 800 Hydraulic Disc

Wheels
Rims

CG 40 SL Carbon | Tubeless Ready | 40mm

Tires

Pirelli Cinturato Gravel H | 40mm

Disc Rotors

SHIMANO RT-CL800 | Centerlock

Rider Notes
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First added April 13

Last updated May 30