Quiver

2015 Specialized Tarmac Disc S-Build vs 2017 Trek Madone 9.5

The 50 is the Trek Madone 9.5 size closest to your 49 Specialized Tarmac Disc S-Build. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Trek Madone 9.5

Compared with the Specialized Tarmac Disc S-Build in 49, the Trek Madone 9.5 in 50 places the top of the head tube 7 mm higher and 3 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.

Frame stack
+7 mm
Higher front end
Frame reach
−3 mm
Shorter frame reach
Wheelbase
+4 mm
Longer: steadier at speed
Head angle
−0.2°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

2015 Specialized Tarmac Disc S-Build (49)The Specialized Tarmac Disc S-Build frame drawn to scale.J 970

Only the Specialized Tarmac Disc S-Build is drawn. The Trek Madone 9.5 numbers we have for size 50 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac Disc S-Build 49Trek Madone 9.5 50Difference
Reach386mm383−3 mm
Stack504mm511+7 mm
Head tube angle72.25°72.1°−0.2°
Seat tube angle75.5°not listed
Effective top tube518mm522+4 mm
Chainstay length405mm410+5 mm
Wheelbase970mm974+4 mm
BB drop71.5mm72+1 mm
Standover730mm696−34 mm
Seat tube length431mm453+22 mm
Head tube length100mm100±0 mm

Differences are the Trek Madone 9.5 minus the Specialized Tarmac Disc S-Build. Full charts: 2015 Specialized Tarmac Disc S-Build, 2017 Trek Madone 9.5.

Where each sits in its class

Specialized Tarmac Disc S-BuildTrek Madone 9.5

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 Tarmac Disc S-BuildS-Works Disc S-BuildTrek Madone 9.59.5
WheelsetRoval Rapide CLX 40 SCSVision Metron 40 LTD
Framenot listedTrek OCLV
Forknot listedTrek Madone KVF
Shifternot listedShimano Dura-Ace
Derailleurnot listedShimano Dura-Ace
Cassettenot listedShimano Dura-Ace
Cranksetnot listedShimano Dura-Ace
Bottom bracketnot listedTrek BB90
Tirenot listedBontrager R3 Hard-Case Lite
Brakenot listedTrek Madone
Handlebarnot listedTrek Madone
Stemnot listedTrek Madone XXX
Headsetnot listedTrek Madone
Seatpostnot listedTrek Madone
Saddlenot listedBontrager Montrose Elite

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
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