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2026 BMC

Kaius 01 Frameset

A carbon frame gravel frameset.

Manufacturer Price

$4,499
Weight1.8 kg (frame)  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c
View on us.bmc-switzerland.comLearn about BMC
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Insights
Sizing
47cm

< 167cm

51cm

165cm – 174cm

54cm

172cm – 180cm

56cm

178cm – 186cm

58cm

184cm – 192cm

61cm

190cm +

Rider Fit Notes

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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.

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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

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

Seatpost

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

TypeRigid

Rider Notes
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First added 13 April

Last updated 30 May