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

The Trek Madone 9.5 size closest to your 54 is the 54. Compare the 54 instead

What changes on the Trek Madone 9.5

Compared with the Specialized Tarmac Disc S-Build in 54, the Trek Madone 9.5 in 58 places the top of the head tube 29 mm higher and 13 mm further forward, relative to the bottom bracket. Its wheelbase is 14 mm longer, which can contribute to stability at speed.

Frame stack
+29 mm
Higher front end
Frame reach
+13 mm
Longer frame reach
Wheelbase
+14 mm
Longer: steadier at speed
Head angle
+0.8°
Steeper: sharper steering
Chainstays
+6 mm
Longer: more planted

The two frames

2015 Specialized Tarmac Disc S-Build (54)The Specialized Tarmac Disc S-Build frame drawn to scale.J 978

Only the Specialized Tarmac Disc S-Build is drawn. The Trek Madone 9.5 numbers we have for size 58 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac Disc S-Build 54Trek Madone 9.5 58Difference
Reach387mm400+13 mm
Stack543mm572+29 mm
Head tube angle73°73.8°+0.8°
Seat tube angle73.5°not listed
Effective top tube548mm573+25 mm
Chainstay length405mm411+6 mm
Wheelbase978mm992+14 mm
BB drop69mm68−1 mm
Standover775mm783+8 mm
Seat tube length481mm553+72 mm
Head tube length140mm160+20 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

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