The BMC Roadmachine THREE is a road bike, built on a carbon frame, listed at $4,916. A drop-bar bike built for sealed roads, speed and distance.
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SizingWhat size Roadmachine THREE do I need?
cm
Enter your height to see the size BMC recommends.
BMC Roadmachine THREE size chart
Size
Rider height
In feet
47
under 160 cm
under 5 ft 3 in
51
158 to 174 cm
5 ft 2 in to 5 ft 9 in
54
172 to 180 cm
5 ft 8 in to 5 ft 11 in
56
178 to 186 cm
5 ft 10 in to 6 ft 1 in
58
184 to 192 cm
6 ft 0 in to 6 ft 4 in
61
190 cm and over
6 ft 3 in and over
Rider heights from BMC's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
Brand
BMC
Model year
2023
Category
Road
Frame
Carbon
Wheel size
700c
Drivetrain
Shimano Ultegra Di2 12-speed
Brakes
Disc
Frame sizes
47, 51, 54, 56, 58, 61
Price
$4,916, Price AUD (99 Bikes, clearance)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize 56
BMC Roadmachine THREE, size 56. Published geometry, drawn to scale (BB drop or fork offset not published, typical value used).
Stack
595 mm
Reach
388 mm
Stack/reach
1.53
Head angle
72.2 deg
Seat angle
74.2 deg
Wheelbase
1010 mm
Chainstay
415 mm
BB drop
75 mm
GearingRatios
1.00lowest (climbing)
4.55highest (speed)
Low climbing gear
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
Groupset
SRAM Force eTap AXS
Shifting
Electronic
Drive
2x
Speeds
12
Crank
SRAM Force
Chainrings
50/34
Cassette
SRAM Force XG-1270
Rear derailleur
SRAM Force eTap AXS
Brakes
SRAM Force eTap AXS hydraulic disc
Rotors
160/140mm
Wheelset
BMC CRD-321 SL Carbon, tubeless ready
Stock tyre
700x30c
Max tyre clearance
40 mm
Tubeless
Yes
Fork material
carbon
BB standard
PF86 press fit
Seatpost
BMC Roadmachine 01 D-shaped carbon, 15mm offset
Cockpit
BMC ICS2 integrated stem, Easton carbon bar
Saddle
Fizik Argo Tempo R5
Bike DNAWhat the numbers say
Position
Stack-to-reach 1.53 gives an upright, comfort-oriented riding position.
Steering
A 72.2 deg head angle points to balanced steering.
Climbing
Lowest ratio 1 is a low climbing gear that still handles steep pitches.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (99spokes.com (BMC spec) + GRAN FONDO geometry chart + backfill 2026-09-27: 99bikes.com.au), verified 2026-09-04. This is a specification analysis, not a physical ride review.