Quiver

2026 BMC Roadmachine TWO vs 2026 Colnago V4Rs Shimano

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

What changes on the Colnago V4Rs Shimano

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 TWO numbers we have for size 54 are missing the reach, stack, seat angle, chainstay length and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementBMC Roadmachine TWO 54Colnago V4Rs Shimano 550Difference
Head tube angle72.2not listed
Seat tube anglenot listednot listed
Standover770not listed
Fork lengthnot listednot listed
Reachnot listednot listed
Stacknot listednot listed
Effective top tubenot listednot listed
Chainstay lengthnot listednot listed
Wheelbasenot listednot listed
BB dropnot listednot listed
Seat tube lengthnot listed469
Head tube lengthnot listednot listed

Differences are the Colnago V4Rs Shimano minus the BMC Roadmachine TWO. Full charts: 2026 BMC Roadmachine TWO, 2026 Colnago V4Rs Shimano.

Where each sits in its class

BMC Roadmachine TWOColnago V4Rs Shimano

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 TWOTWOColnago V4Rs ShimanoShimano Dura-Ace Di2
FrameBMC RoadmachineColnago V4Rs
ShifterShimano 105 R7170Shimano Dura Ace Di2
DerailleurShimano 105 R7150 Di2, Shimano 105 R7150Shimano Dura-Ace Di2, Shimano RD-9250 Dura-Ace Di2
CassetteShimano CS-HG710Shimano Dura-Ace
ChainShimano Deore M6100Shimano Dura-Ace
CranksetShimano 105 R7100Shimano Dura-Ace
ChainringShimano 50T, Shimano 34TShimano Dura-Ace, Shimano Dura-Ace R9200
Bottom bracketShimano BB-RS500-PBCeramicSpeed T47
WheelsetPRD23Shimano Dura-Ace C50
TireVittoria Rubino VPirelli P Zero Race
BrakeShimano 105 R7170 Di2Shimano Dura-Ace Di2, Shimano Dura-Ace 9270 Di2
RotorShimano SM-RT70, Shimano 160mmShimano CL900
HandlebarBMC HB D4 03Colnago CC.01
StemBMC RSM 01Colnago CC.01
SeatpostBMC Roadmachine Carbon D-shapedColnago D-shape carbon
SaddleSelle Italia Model X SuperflowPrologo Scratch M5 CPC
BagStorage Pouchnot listed
LightBMC Integrated Rear Light 25not listed
Forknot listedColnago carbon fork
Bar tapenot listedColnago Grip
Headsetnot listedCeramicSpeed SLT
Bottle cagenot listedColnago bottle cage

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