2015 Specialized Turbo S vs 2017 Trek Dual Sport+
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Trek Dual Sport+
- 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
- +46 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Specialized Turbo S numbers we have for size M are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Turbo S M | Trek Dual Sport+ XL | Difference |
|---|---|---|---|
| Head tube angle | 71° | 71.5° | +0.5° |
| Seat tube angle | 72° | not listed | |
| Effective top tube | 595mm | 620 | +25 mm |
| Chainstay length | 455mm | 465 | +10 mm |
| Wheelbase | 1078mm | 1124 | +46 mm |
| BB drop | 70mm | 66 | −4 mm |
| Standover | 794mm | 804 | +10 mm |
| Seat tube length | 460mm | 533 | +73 mm |
| Head tube length | 189mm | 144 | −45 mm |
| Reach | not listed | 427 | |
| Stack | not listed | 631 | |
| BB height | not listed | 288 |
Differences are the Trek Dual Sport+ minus the Specialized Turbo S. Full charts: 2015 Specialized Turbo S, 2017 Trek Dual Sport+.
Where each sits in its class
Specialized Turbo STrek Dual Sport+
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
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 | Specialized Turbo STurbo S | Trek Dual Sport+Dual Sport+ |
|---|---|---|
| Fork | Specialized Turbo | SR Suntour NRX |
| Shifter | SRAM SL-700 | Shimano Deore |
| Derailleur | SRAM X0 | Shimano Deore |
| Cassette | SRAM PG-1030 | Shimano HG50 |
| Chain | KMC X-10 | KMC x10e |
| Crankset | FSA Gossamer | not listed |
| Bottom bracket | FSA MegaExo | not listed |
| Pedals | Specialized Bennies | not listed |
| Motor | Specialized ASBC X12 | not listed |
| Battery | Specialized Turbo | not listed |
| Tire | Specialized Electrak Armadillo | Bontrager LT2 |
| Hub | Specialized Hi Lo | Formula DC20, Formula DC22 |
| Brake | Formula R1s | Shimano Acera M315 |
| Stem | crankbrothers Cobalt 2 | not listed |
| Grips | Specialized XCT | not listed |
| Saddle | Specialized Turbo | Bontrager H1 |
| Frame | not listed | Trek Alpha Gold |
| Wheelset | not listed | Formula DC-20 |
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