2018 Specialized Roubaix Expert UDi2 vs 2018 Trek Madone Race Shop Limited Frameset
The 58 is the Trek Madone Race Shop Limited Frameset size closest to your 56 Specialized Roubaix Expert UDi2. 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 Race Shop Limited Frameset
Compared with the Specialized Roubaix Expert UDi2 in 56, the Trek Madone Race Shop Limited Frameset in 58 places the top of the head tube 10 mm lower and 10 mm further forward, relative to the bottom bracket.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- −4 mm
- Shorter: livelier
The two frames
Only the Specialized Roubaix Expert UDi2 is drawn. The Trek Madone Race Shop Limited Frameset numbers we have for size 58 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Roubaix Expert UDi2 56 | Trek Madone Race Shop Limited Frameset 58 | Difference |
|---|---|---|---|
| Reach | 381mm | 391 | +10 mm |
| Stack | 611mm | 601 | −10 mm |
| Head tube angle | 73.5° | 73.8° | +0.3° |
| Seat tube angle | 73.5° | not listed | |
| Effective top tube | 561.8mm | 573 | +11 mm |
| Chainstay length | 415mm | 411 | −4 mm |
| Wheelbase | 993mm | 992 | −1 mm |
| BB drop | 76mm | 68 | −8 mm |
| Standover | 785mm | 786 | +1 mm |
| Seat tube length | 501mm | 553 | +52 mm |
| Head tube length | 150mm | 190 | +40 mm |
Differences are the Trek Madone Race Shop Limited Frameset minus the Specialized Roubaix Expert UDi2. Full charts: 2018 Specialized Roubaix Expert UDi2, 2018 Trek Madone Race Shop Limited Frameset.
Where each sits in its class
Specialized Roubaix Expert UDi2Trek Madone Race Shop Limited Frameset
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 Roubaix Expert UDi2Expert UDi2 | Trek Madone Race Shop Limited Frameset9 Race Shop Limited Frameset |
|---|---|---|
| Shifter | Shimano 105 R785 Di2 | not listed |
| Derailleur | Shimano Ultegra Di2, Shimano Ultegra Di2 GS | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | Shimano Ultegra | not listed |
| Wheelset | DT Swiss R460 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano RS805 | Trek Madone |
| Handlebar | Specialized Comp Hover | not listed |
| Seatpost | Specialized CG-R | Trek Madone |
| Saddle | Specialized Phenom Expert | not listed |
| Frame | not listed | Trek OCLV |
| Fork | not listed | Trek Madone KVF |
| Headset | not listed | Trek Madone |
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