Quiver

2015 Trek Session Park 26 vs 2016 Specialized Demo 8 Frameset

The Specialized Demo 8 Frameset size closest to your M is the S. Compare the S instead

What changes on the Specialized Demo 8 Frameset

Compared with the Trek Session Park 26 in M, the Specialized Demo 8 Frameset in M places the top of the head tube 26 mm higher and 22 mm further forward, relative to the bottom bracket. Its wheelbase is 48 mm longer, which can contribute to stability at speed.

Frame stack
+26 mm
Higher front end
Frame reach
+22 mm
Longer frame reach
Wheelbase
+48 mm
Longer: steadier at speed
Head angle
−0.7°
Slacker: calmer steering
Chainstays
+12 mm
Longer: more planted

The two frames

We can't draw these frames yet. The Trek Session Park 26 numbers we have for size M are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Session Park 26 MSpecialized Demo 8 Frameset MDifference
Reach398420+22 mm
Stack588614+26 mm
Head tube angle64.2°63.5−0.7°
Effective top tube582596+14 mm
Chainstay length418430+12 mm
Wheelbase11601208+48 mm
BB drop2112−9 mm
BB height364342−22 mm
Standover754698−56 mm
Seat tube length440394−46 mm
Head tube length125105−20 mm
Seat tube anglenot listed74
Fork lengthnot listed590

Differences are the Specialized Demo 8 Frameset minus the Trek Session Park 26. Full charts: 2015 Trek Session Park 26, 2016 Specialized Demo 8 Frameset.

Where each sits in its class

Trek Session Park 26Specialized Demo 8 Frameset

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartTrek Session Park 268 Park 26Specialized Demo 8 Frameset
FrameTrek Alpha Platinumnot listed
ForkRockShox BoXXernot listed
ShifterSRAM X-7not listed
DerailleurSRAM X-9not listed
CassetteSRAM PG-1050not listed
ChainKMC X10not listed
CranksetTruVativ Descendant DHnot listed
PedalsWellgo BO-87Bnot listed
WheelsetDT Swiss FR2150not listed
TireBontrager G4 Team Issuenot listed
BrakeAvid Codenot listed
HandlebarBontrager Rhythm Elitenot listed
StemBontrager Rhythmnot listed
HeadsetFSA NO.57Enot listed
SeatpostBontrager Rhythm Elitenot listed
SaddleBontrager Evoke 2not listed

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet