2015 Specialized Tarmac Disc vs 2017 Trek Madone 9.5
The 50 is the Trek Madone 9.5 size closest to your 49 Specialized Tarmac Disc. 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 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
Only the Specialized Tarmac Disc is drawn. The Trek Madone 9.5 numbers we have for size 50 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Tarmac Disc 49 | Trek Madone 9.5 50 | Difference |
|---|---|---|---|
| Reach | 386mm | 383 | −3 mm |
| Stack | 504mm | 511 | +7 mm |
| Head tube angle | 72.25° | 72.1° | −0.2° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 518mm | 522 | +4 mm |
| Chainstay length | 405mm | 410 | +5 mm |
| Wheelbase | 970mm | 974 | +4 mm |
| BB drop | 71.5mm | 72 | +1 mm |
| Standover | 730mm | 696 | −34 mm |
| Seat tube length | 431mm | 453 | +22 mm |
| Head tube length | 100mm | 100 | ±0 mm |
Differences are the Trek Madone 9.5 minus the Specialized Tarmac Disc. Full charts: 2015 Specialized Tarmac Disc, 2017 Trek Madone 9.5.
Where each sits in its class
Specialized Tarmac DiscTrek Madone 9.5
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.
| Part | Specialized Tarmac DiscS-Works Di2 Disc | Trek Madone 9.59.5 |
|---|---|---|
| Shifter | Shimano 785 Di2 | Shimano Dura-Ace |
| Derailleur | Shimano Dura Ace Di2 | Shimano Dura-Ace |
| Cassette | Shimano Dura-Ace | Shimano Dura-Ace |
| Chain | Shimano Dura-Ace | not listed |
| Wheelset | Roval Rapide CLX 40 SCS | Vision Metron 40 LTD |
| Tire | Specialized S-Works Turbo | Bontrager R3 Hard-Case Lite |
| Brake | Shimano 785 | Trek Madone |
| Saddle | Specialized Toupé Pro | Bontrager Montrose Elite |
| Frame | not listed | Trek OCLV |
| Fork | not listed | Trek Madone KVF |
| Crankset | not listed | Shimano Dura-Ace |
| Bottom bracket | not listed | Trek BB90 |
| Handlebar | not listed | Trek Madone |
| Stem | not listed | Trek Madone XXX |
| Headset | not listed | Trek Madone |
| Seatpost | not listed | Trek Madone |
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