Quiver

2026 BMC Roadmachine TWO vs 2025 Specialized Allez Sport

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 Allez Sport

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
−0.2°
About the same head angle
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 TWO numbers we have for size 58 are missing the reach, stack, chainstay length and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementBMC Roadmachine TWO 58Specialized Allez Sport 54Difference
Head tube angle72.272−0.2°
Seat tube angle74.273.25−1.0°
Standovernot listed781
Reachnot listed370
Stacknot listed569
Effective top tubenot listed541
Chainstay lengthnot listed425
Wheelbasenot listed998
BB dropnot listed76
BB heightnot listed274
Seat tube lengthnot listed510
Fork lengthnot listed378
Head tube lengthnot listed155

Differences are the Specialized Allez Sport minus the BMC Roadmachine TWO. Full charts: 2026 BMC Roadmachine TWO, 2025 Specialized Allez Sport.

Where each sits in its class

BMC Roadmachine TWOSpecialized Allez Sport

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 TWOTWOSpecialized Allez SportSport
FrameBMC RoadmachineSpecialized E5 Premium
ShifterShimano 105 R7170Shimano Tiagra
DerailleurShimano front 105, Shimano 105 R7150Shimano Tiagra
CassetteShimano CS-HG710 105Shimano Tiagra
ChainShimano Deore M6100KMC X-10
CranksetShimano 105 R7100Praxis Alba
ChainringShimano 50T, Shimano 34TShimano Tiagra, Shimano Claris R200
Bottom bracketShimano BB-RS500-PBnot listed
WheelsetPRD23Specialized Axis Sport
TireVittoria Rubino VSpecialized Roadsport
BrakeShimano 105 R7170 Di2Shimano Tiagra
RotorShimano 160mmnot listed
HandlebarBMC HB D4 03Specialized Shallow Drop
StemBMC RSM 01not listed
SeatpostBMC Roadmachine Carbon D-shapednot listed
SaddleSelle Italia Model X SuperFlowSpecialized Bridge Saddle
Forknot listedSpecialized FACT

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