2018 Trek Dual Sport+ vs 2016 Specialized Turbo S
The L is the Specialized Turbo S size closest to your XL Trek Dual Sport+. 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 Turbo S
Compared with the Trek Dual Sport+ in XL, the Specialized Turbo S in L places the top of the head tube at about the same height and 22 mm further back, relative to the bottom bracket. Its wheelbase is 31 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −1 mm
- About the same height
- Frame reach
- −22 mm
- Shorter frame reach
- Wheelbase
- −31 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Dual Sport+ numbers we have for size XL are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Dual Sport+ XL | Specialized Turbo S L | Difference |
|---|---|---|---|
| Reach | 427 | 405 | −22 mm |
| Stack | 631 | 630 | −1 mm |
| Head tube angle | 71.5° | 71 | −0.5° |
| Effective top tube | 620 | 610 | −10 mm |
| Chainstay length | 465 | 455 | −10 mm |
| Wheelbase | 1124 | 1093 | −31 mm |
| BB drop | 66 | 70 | +4 mm |
| BB height | 288 | 289.5 | +2 mm |
| Standover | 804 | 827 | +23 mm |
| Seat tube length | 533 | 500 | −33 mm |
| Head tube length | 144 | 204 | +60 mm |
| Seat tube angle | not listed | 72 | |
| Fork length | not listed | 402 |
Differences are the Specialized Turbo S minus the Trek Dual Sport+. Full charts: 2018 Trek Dual Sport+, 2016 Specialized Turbo S.
Where each sits in its class
Trek Dual Sport+Specialized Turbo S
Each bike is ranked against the other commuter 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 Dual Sport+Dual Sport+ | Specialized Turbo STurbo S |
|---|---|---|
| Frame | Trek Alpha Gold | Specialized Turbo |
| Fork | SR Suntour NRX | not listed |
| Shifter | Shimano Deore | Shimano XT |
| Derailleur | Shimano Deore | Shimano XT Shadow Plus |
| Cassette | Shimano HG50 | Shimano XT |
| Chain | KMC x10e | KMC X-11 |
| Wheelset | Formula DC-20 | Specialized Alloy Double-Wall |
| Tire | Bontrager LT2 | Specialized Nimbus Armadillo |
| Hub | Formula DC20, Formula DC22 | not listed |
| Brake | Shimano Acera M315 | Shimano XT |
| Saddle | Bontrager H1 | Specialized Targa Comp |
| Crankset | not listed | Specialized Stout |
| Bottom bracket | not listed | FSA MegaExo |
| Pedals | not listed | Specialized Bennies |
| Motor | not listed | Specialized Turbo SC |
| Battery | not listed | Specialized Turbo integrated |
| Rim | not listed | Alloy Double-Wall |
| Rotor | not listed | Shimano XT |
| Handlebar | not listed | Specialized Flat Top |
| Stem | not listed | crankbrothers Cobalt 2 |
| Grips | not listed | Specialized XCT |
| Headset | not listed | Campagnolo Cartridge Bearing |
| Seatpost | not listed | Specialized Alloy |
| Light | not listed | Supernova E3 LED, Specialized Saddle LED |
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