2017 Trek Émonda 650 vs 2018 Specialized Allez Junior
The 44 is the Specialized Allez Junior size closest to your 650c Trek Émonda 650. 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 Junior
Compared with the Trek Émonda 650 in 650c, the Specialized Allez Junior in 44 places the top of the head tube 13 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- −18 mm
- Shorter: quicker to change direction
- Head angle
- +0.8°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Trek Émonda 650 numbers we have for size 650c are missing the seat angle and chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Trek Émonda 650 650c | Specialized Allez Junior 44 | Difference |
|---|---|---|---|
| Reach | 356 | 358mm | +2 mm |
| Stack | 477 | 490mm | +13 mm |
| Head tube angle | 71.2° | 72° | +0.8° |
| Effective top tube | 479 | 480mm | +1 mm |
| Wheelbase | 939 | 921mm | −18 mm |
| BB drop | 52 | 49mm | −3 mm |
| Standover | 676 | 665mm | −11 mm |
| Seat tube length | 384 | 400mm | +16 mm |
| Head tube length | 115 | 130mm | +15 mm |
| Seat tube angle | not listed | 76° | |
| Chainstay length | not listed | 380mm | |
| BB height | not listed | 236.5mm | |
| Fork length | not listed | 346mm |
Differences are the Specialized Allez Junior minus the Trek Émonda 650. Full charts: 2017 Trek Émonda 650, 2018 Specialized Allez Junior.
Where each sits in its class
Trek Émonda 650Specialized Allez Junior
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 Émonda 650650 | Specialized Allez JuniorJunior |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Shifter | Shimano Sora | microSHIFT R482 |
| Derailleur | Shimano Sora | Shimano Claris |
| Cassette | Shimano HG50 | not listed |
| Chain | KMC X9 | KMC X8 |
| Crankset | Shimano Sora | not listed |
| Bottom bracket | Trek BB86.5 | not listed |
| Tire | Kenda Koncept | Specialized Turbo Elite |
| Handlebar | Bontrager Comp VR-S | not listed |
| Saddle | Trek Dialed 24 | Specialized Performance |
| Wheelset | not listed | Specialized Axis Sport JR |
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