Trek Session
DH and bike-park specialists. Not an all-mountain trail bike.
Downhill race bike. Slack, long-travel, and unhappy if you try to pedal it like a Slash on a fire road.
DH and bike-park specialists. Not an all-mountain trail bike.
Downhill race bike. Slack, long-travel, and unhappy if you try to pedal it like a Slash on a fire road.
Trail riders who want one Specialized and are willing to size by reach. Enduro-curious riders should look at Stumpjumper EVO or Enduro; XC racers at Epic.
The first S-sizing Stumpjumper: six frame lengths from S1 to S6 with short seat tubes, so reach and wheelbase pick your size instead of your inseam. Travel dropped to 130 mm rear behind a 140 mm fork, leaving the longer stuff to the EVO.
Trail riders who want one Specialized and are willing to size by reach. Enduro-curious riders should look at Stumpjumper EVO or Enduro; XC racers at Epic. The S-Works kit is the halo build — same geometry as the non-S-Works page for this year, different parts.
The first S-sizing Stumpjumper: six frame lengths from S1 to S6 with short seat tubes, so reach and wheelbase pick your size instead of your inseam. Travel dropped to 130 mm rear behind a 140 mm fork, leaving the longer stuff to the EVO.
| Measurement |  TrekSession 2022 |  SpecializedStumpjumper 2022 |  SpecializedS-Works Stumpjumper 2022 |
|---|---|---|---|
| Stackmm | 638 | 638 | 638 |
| Reachmm | 480 | 480 | 480 |
| Head tube angle° | 63.0 | 65.0+2.0 | 65.0+2.0 |
| Seat tube angle° | 77.5 | 76.5−1.0 | 76.5−1.0 |
| Chainstaymm | 445 | 432−13 | 432−13 |
| Wheelbasemm | 1289 | 1242−47 | 1242−47 |
| BB dropmm | 10 | 40+30 | 40+30 |
| BB heightmm | — | — | — |
| Standovermm | — | — | — |
| Part | Session L | Stumpjumper S4 | S-Works Stumpjumper S4 |
|---|---|---|---|
| Stem | 50 mm | 50 mm | 50 mm |
| Bar | 800 mm | 800 mm | 800 mm |
| Crank | 175 mm | 175 mm | 175 mm |
"The bike I'm riding here is a Trek Session 9.9 size small. I've got Fox suspension front and rear and I think I'm running about 170 in the back and 85 in the ...
Trek's testing shows the new Session is 19 percent stiffer at the bottom bracket, 10 percent stiffer at the head tube, and full frame stiffness jumps 11 percent ...
Featuring one of the lightest frames in its class, the 2022 Specialized Stumpjumper offers low weight, progressive geometry and cleverly-tuned suspension.
We put the Specialized Stumpjumper Expert through its paces, and see how it stacks up against both the competition and its Evo big brother.
Featuring one of the lightest frames in its class, the 2022 Specialized Stumpjumper offers low weight, progressive geometry and cleverly-tuned suspension.
We put the Specialized Stumpjumper Expert through its paces, and see how it stacks up against both the competition and its Evo big brother.