Quiver

2024 BMC Roadmachine 01 THREE vs 2026 Specialized Aethos 2

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Aethos 2

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
n/a
One of the bikes has no number for this
Head angle
n/a
One of the bikes has no number for this
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The BMC Roadmachine 01 THREE numbers we have for size 56 are missing the reach, stack, head angle, seat angle, chainstay length and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementBMC Roadmachine 01 THREE 56Specialized Aethos 2 54Difference
Reachnot listed384
Stacknot listed559
Head tube anglenot listed72.5
Seat tube anglenot listed74
Effective top tube559544−15 mm
Chainstay lengthnot listed410
Wheelbasenot listed992
BB dropnot listed75
Standover807not listed
Seat tube lengthnot listednot listed
Fork length379not listed
Head tube length181150−31 mm

Differences are the Specialized Aethos 2 minus the BMC Roadmachine 01 THREE. Full charts: 2024 BMC Roadmachine 01 THREE, 2026 Specialized Aethos 2.

Where each sits in its class

BMC Roadmachine 01 THREESpecialized Aethos 2

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartBMC Roadmachine 01 THREETHREESpecialized Aethos 2S-Works
FrameBMC Roadmachine 01Specialized Aethos 2
ShifterSRAM eTap ForceSRAM RED
DerailleurSRAM eTap Force AXSSRAM Red AXS E1
CassetteSRAM ForceShimano Dura-Ace R9200
ChainSRAM ApexSRAM RED E1
CranksetSRAM ForceSRAM Powermeter Red AXS
ChainringSRAM Force, SRAM Force AXS 40tShimano Dura-Ace R9200
Bottom bracketBMC PF86SRAM DUB
WheelsetBMC CRD-321 SL CarbonRoval Alpinist CLX III
TireVittoria Corsa N.EXTSpecialized Turbo TLR Race
HubCRD-321 SLRoval LF21-F
RimCRD-321 SLnot listed
BrakeSRAM eTap Force AXSShimano Dura-Ace R9200
RotorSRAM CenterLine XShimano Dura-Ace R9200
HandlebarEaston EC70 SL CarbonRoval Alpinist Cockpit II
StemBMC ICS2Roval Alpinist Cockpit II
SeatpostBMC Roadmachine 01 D-ShapedRoval Alpinist
Saddlefizik Argo Tempo R5Specialized Power
BagBMC Storage Pouchnot listed
Bar tapenot listedSupacaz Super Sticky Kush
Headsetnot listedCeramicSpeed SLT

Know what is on every bike.

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