2015 Specialized Tarmac Pro Disc Race UDi2 vs 2015 Specialized Allez Elite
The 58 is the Specialized Allez Elite size closest to your 61 Specialized Tarmac Pro Disc Race 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 Specialized Allez Elite
Compared with the Specialized Tarmac Pro Disc Race UDi2 in 61, the Specialized Allez Elite in 58 places the top of the head tube 7 mm lower and 6 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −7 mm
- Lower front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- −6 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Specialized Tarmac Pro Disc Race UDi2, 61Specialized Allez Elite, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Pro Disc Race UDi2 61 | Specialized Allez Elite 58 | Difference |
|---|---|---|---|
| Reach | 408mm | 402mm | −6 mm |
| Stack | 612mm | 605mm | −7 mm |
| Head tube angle | 74° | 73.5° | −0.5° |
| Seat tube angle | 72.5° | 73° | +0.5° |
| Effective top tube | 600mm | 587mm | −13 mm |
| Chainstay length | 410mm | 407mm | −3 mm |
| Wheelbase | 1013mm | 1007mm | −6 mm |
| BB drop | 67.5mm | 67.5mm | ±0 mm |
| Standover | 850mm | 817mm | −33 mm |
| Seat tube length | 553mm | 540mm | −13 mm |
| Head tube length | 210mm | 205mm | −5 mm |
Differences are the Specialized Allez Elite minus the Specialized Tarmac Pro Disc Race UDi2. Full charts: 2015 Specialized Tarmac Pro Disc Race UDi2, 2015 Specialized Allez Elite.
Where each sits in its class
Specialized Tarmac Pro Disc Race UDi2Specialized Allez Elite
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 Pro Disc Race UDi2Pro Disc Race UDi2 | Specialized Allez EliteElite |
|---|---|---|
| Shifter | Shimano 785 Di2 | Shimano Tiagra |
| Derailleur | Shimano Ultegra Di2 | Shimano Tiagra |
| Cassette | Shimano Ultegra | Shimano Tiagra |
| Chain | Shimano Ultegra | KMC X-10 |
| Wheelset | Roval Rapide CL 40 SCS | Specialized AXIS Classic |
| Tire | Specialized Turbo Pro | Specialized Espoir Sport |
| Brake | Shimano 785 | Specialized Axis 1.0 |
| Saddle | Specialized Toupe Expert | Specialized Toupé Sport |
| Crankset | not listed | Shimano Tiagra |
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