BMC Kaius 01 Four

Name: BMC Kaius 01 Four
Brand: BMC

2026 RoadGravel Manufacturer page

BMC Kaius 01 Four, color Black / Neon Red

Last known price: $6,499

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 1 × 13 42t
Weight: 8.3 kg 18.3 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

47cm Not informed
51cm 165–174
54cm 172–180
56cm 178–186
58cm 184–192
61cm 190+

Components

12 of 16 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

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 Not identified

Suspension

1 part

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 Not identified

Drivetrain

6 parts

Brakes

2 parts

Wheels and tires

2 parts

Rims

CG 40 Carbon | Tubeless Ready | 40mm Not identified
Tires
- Pirelli

Cockpit and contact points

4 parts

Handlebar
- BMC
Saddle
- Fizik Vento Argo X5
Seatpost

Kaius 01 Premium Carbon D-Shaped Seatpost | 15mm Offset | D-Fender Compatible Not identified
Stem
- BMC

Sizes and geometry

6 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size 54cm

Table

Reach 401mm

Stack 550mm

Wheelbase 1015mm

Head angle 72.0°

Seat angle 73.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 700c wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 6 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	390	397	401	405	410	414
Stackmm	510	530	550	570	595	620
Top tube lengthmm	546	559	569	579	592	604
Seat tube lengthmm	428	452	468	493	513	533
Head tube lengthmm	85	106	123	144	170	196
Head tube angle	71°	71°	72°	72°	72°	72°
Seat tube angle	73°	73°	73°	73°	73°	73°
Chainstay lengthmm	420	420	420	420	420	420
Wheelbasemm	1003	1017	1015	1026	1039	1051
Front centermm	596	610	608	619	632	644
Bottom bracket dropmm	80	80	80	80	80	80
Bottom bracket heightmm	269	269	269	269	269	269
Standover heightmm	684	722	756	780	798	818
Fork rakemm	50	50	45	45	45	45
Trailmm	68	68	68	68	68	68
Stack/reach ratio	1.31	1.34	1.37	1.41	1.45	1.50
Suspension and parts
Crank lengthmm	170	170	172.5	172.5	175	175
Handlebar widthmm	390	390	390	410	410	430
Stem lengthmm	80	90	90	100	100	110
Stem angle	-8°	-8°	-8°	-8°	-8°	-8°
Seatpost lengthmm	280	320	360	360	400	400

Not published by the manufacturer: Front travel, Rear travel and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Carbon
Bicycle weight: 8.3 kg

18.3 lb
Weight limit: 120 kg

264.6 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 42
Largest chainring: 42
Rear sprockets: 13

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Rigid seatpost
Shifting: Electronic

Additional specifications

Tire clearance: Maximum tire width: 44c
Tire width: 40c
Wheel material: Carbon
Wheel size: 700c

Technical analysis

1 measure

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Shifting

Electronic

706 of 1,980 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2026
Sample: 1,980 bicycles with this information
Coverage: 99.6% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds

Differences across 2026 builds
Specification	This bicycle BMC Kaius 01 Four	BMC Kaius 01 ONE	BMC Kaius 01 Three	BMC Kaius 01 TWO
Frame
Bicycle weight	8.3 kg	7.5 kg	8.3 kg	7.8 kg
Drivetrain
Front chainrings	1	1	2	1
Smallest chainring	42	42	31	42
Largest chainring	42	42	48	42
Rear sprockets	13	13	12	13
Other specifications
Power meter	Not informed	SRAM Red AXS Power Meter (FC-RED-P-E1)Additional specification: Model display: Red AXSAdditional specification: Model id: red-axs	4iiii Precision Gen3+ Power Meter (Non-Drive Side)Additional specification: Model display: PrecisionAdditional specification: Model id: precision	SRAM Force XPLR AXS Power Meter \| Single Side (FC-FRC-1WP-E1)Additional specification: Model display: Force AXSAdditional specification: Model id: force-axs
Bottom bracket standard	Not informed	Not informed	BB86/BB92	Not informed