2014 Specialized Demo II vs 2015 Trek Session 9.8 Park 26
The L is the Trek Session 9.8 Park 26 size closest to your M Specialized Demo II. 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 Trek Session 9.8 Park 26
Compared with the Specialized Demo II in M, the Trek Session 9.8 Park 26 in L places the top of the head tube 4 mm lower and 7 mm further back, relative to the bottom bracket. Its wheelbase is 11 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- −11 mm
- Shorter: quicker to change direction
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Only the Specialized Demo II is drawn. The Trek Session 9.8 Park 26 numbers we have for size L are missing the seat angle.
Geometry side by side
| Measurement | Specialized Demo II M | Trek Session 9.8 Park 26 L | Difference |
|---|---|---|---|
| Reach | 430mm | 423 | −7 mm |
| Stack | 593mm | 589 | −4 mm |
| Head tube angle | 64° | 64.2° | +0.2° |
| Seat tube angle | 62° | not listed | |
| Chainstay length | 421mm | 418 | −3 mm |
| Wheelbase | 1191mm | 1180 | −11 mm |
| BB height | 343mm | 364 | +21 mm |
| Standover | 722mm | 754 | +32 mm |
| Seat tube length | 419mm | 440 | +21 mm |
| Effective top tube | not listed | 607 | |
| BB drop | not listed | 21 | |
| Head tube length | not listed | 125 |
Differences are the Trek Session 9.8 Park 26 minus the Specialized Demo II. Full charts: 2014 Specialized Demo II, 2015 Trek Session 9.8 Park 26.
Where each sits in its class
Specialized Demo IITrek Session 9.8 Park 26
Each bike is ranked against the other downhill 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 Demo II8 II | Trek Session 9.8 Park 269.8 Park 26 |
|---|---|---|
| Fork | RockShox Boxxer World | RockShox BoXXer |
| Rear shock | Specialized Õhlins TTX22M | not listed |
| Shifter | SRAM X0 | SRAM X-7 |
| Derailleur | SRAM X.0 | SRAM X-9 |
| Cassette | Shimano HG-70 Capreo | SRAM PG-1050 |
| Chain | KMC X9SL | SRAM 1071 |
| Crankset | SRAM X0 DH | TruVativ Descendant DH |
| Pedals | Specialized Bennies | Wellgo BO-87B |
| Tire | Specialized Butcher DH | Bontrager G4 Team Issue |
| Hub | Specialized Hi Lo | not listed |
| Brake | Avid Code X0 World | Avid Code |
| Handlebar | Specialized Demo | Bontrager Rhythm Elite |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Phenom | Bontrager Evoke 2 |
| Frame | not listed | Trek OCLV |
| Wheelset | not listed | DT Swiss FR2150 |
| Stem | not listed | Bontrager Rhythm |
| Headset | not listed | FSA NO.57E |
| Seatpost | not listed | Bontrager Rhythm Elite |
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