Quiver

2026 Specialized Roubaix SL8 vs 2026 BMC Roadmachine TWO

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

What changes on the BMC Roadmachine TWO

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

The two frames

We can't draw these frames yet. The Specialized Roubaix SL8 numbers we have for size 54 are missing the head angle. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Roubaix SL8 54BMC Roadmachine TWO 47Difference
Reach381not listed
Stack585not listed
Head tube anglenot listednot listed
Seat tube angle7474.2+0.2°
Chainstay length420not listed
Wheelbase1005not listed
BB height270mmnot listed
Standovernot listednot listed
Fork lengthnot listednot listed

Differences are the BMC Roadmachine TWO minus the Specialized Roubaix SL8. Full charts: 2026 Specialized Roubaix SL8, 2026 BMC Roadmachine TWO.

Where each sits in its class

Specialized Roubaix SL8BMC Roadmachine TWO

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.

PartSpecialized Roubaix SL8S-Works SL8BMC Roadmachine TWOTWO
FrameSpecialized RoubaixBMC Roadmachine
ForkSpecialized Future Shock 3.3not listed
ShifterSRAM Red AXS E1Shimano 105 R7170
DerailleurSRAM RED AXS E1Shimano 105 R7150 Di2, Shimano 105 R7150
CassetteSRAM RED XG-1290 E1Shimano CS-HG710
ChainSRAM Red E1 flat-topShimano Deore M6100
CranksetSRAM RED AXS Power MeterShimano 105 R7100
Bottom bracketSRAM DUBShimano BB-RS500-PB
WheelsetRoval Rapide CLXPRD23
TireSpecialized Mondo TLR EnduranceVittoria Rubino V
BrakeSpecialized overrideShimano 105 R7170 Di2
RotorShimano UltegraShimano SM-RT70, Shimano 160mm
HandlebarRoval AlpinistBMC HB D4 03
StemRoval AlpinistBMC RSM 01
GripsSpecialized Supacaz Super Sticky Kushnot listed
SeatpostSpecialized S-Works PaveBMC Roadmachine Carbon D-shaped
SaddleSpecialized S-Works PowerSelle Italia Model X Superflow
Chainringnot listedShimano 50T, Shimano 34T
Bagnot listedStorage Pouch
Lightnot listedBMC Integrated Rear Light 25

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet