2012 Trek Speed Concept 2.5 vs 2011 Specialized Allez Steel Double
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Allez Steel Double
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Speed Concept 2.5 numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Speed Concept 2.5 M | Specialized Allez Steel Double 54 | Difference |
|---|---|---|---|
| Reach | 408 | not listed | |
| Stack | 517 | not listed | |
| Head tube angle | 72.5° | 72.5° | ±0.0° |
| Effective top tube | 518 | not listed | |
| Chainstay length | 400 | 405mm | +5 mm |
| Wheelbase | 985 | 982mm | −3 mm |
| BB drop | 80 | not listed | |
| Standover | 775 | 791mm | +16 mm |
| Seat tube length | 529 | 560mm | +31 mm |
| Head tube length | 101 | 122mm | +21 mm |
| Seat tube angle | not listed | 73.5° |
Differences are the Specialized Allez Steel Double minus the Trek Speed Concept 2.5. Full charts: 2012 Trek Speed Concept 2.5, 2011 Specialized Allez Steel Double.
Where each sits in its class
Trek Speed Concept 2.5Specialized Allez Steel Double
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 | Trek Speed Concept 2.52.5 | Specialized Allez Steel DoubleSteel Double |
|---|---|---|
| Frame | Trek Alpha | Reynolds 520 |
| Fork | Bontrager Lite E2 Tri | Specialized Allez |
| Shifter | SRAM 500 TT | Shimano R400 |
| Derailleur | SRAM Apex | Shimano 2300 |
| Cassette | SRAM PG-1050 | Shimano HG50 |
| Crankset | SRAM Apex | Shimano 2300 |
| Tire | Bontrager R1 | Specialized All Condition Sport |
| Handlebar | Bontrager Bullhorn | not listed |
| Seatpost | Bontrager Concept | not listed |
| Saddle | Vision AeroMax Tri | Specialized Riva |
| Chain | not listed | KMC Z51 |
| Rim | not listed | Mavic CXP22 |
| Stem | not listed | Specialized Elite-Set |
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