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2018 Trek

Session 29 Frameset

A 29″ carbon frame full suspension downhill frameset.

Manufacturer Price

USD 4,999($6,988)
Weight6.2 kg (frame)  
FrameCarbon
SuspensionFull, 190 / 200mm
ForkFox Factory Float 40
ShockFox Float X2 Factory
Wheels29″
Where to Buy
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Reviews

Summary

The Trek Session downhill bike is praised for its refined suspension and geometry updates, offering a stiffer, lighter frame with improved handling and stability. It excels in speed and traction, particularly with the 29er option, but some models may feel cramped or harsh in rough terrain. Overall, it's a competitive choice for aggressive riding and racing.

Pros
  • Stiffer, lighter, and stronger frame

  • Improved suspension performance with Fox components

  • Enhanced geometry for better stability and control

  • Excellent speed and traction capabilities

  • Tunability options like MinoLink for customization

Cons
  • Some models have outdated or cramped geometry

  • Harsh ride quality in rough conditions

  • High price point for top-tier builds

  • Potential issues with traction and comfort on technical terrain

  • Limited suitability for taller riders due to reach constraints

Key Quotes
If the Session with 29” wheels carries riders to the finish line faster, that’s it: it’s faster and big wheels win.
Bicycling
You may be looking at the future of downhill. Time will tell, but probably in mere fractions of seconds.
BIKE Magazine logoBIKE Magazine
The outdated geometry, harsh fork and underwhelming brakes meant I really struggled to get on with the Trek.
BikeRadar logoBikeRadar
Like a daggum rocket ship!
Loam Wolf logoLoam Wolf
The Session 29 is an ultra-light, ultra-stiff machine that's unforgiving at times and best suited to strong or heavy pilots who are precise and highly skilled.
Pinkbike

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Mountain Bike Action
Bike Test: Trek Session 9.9 29

Mar 2019 · McCoy

Faster than a speeding bullet

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Loam Wolf
Review: Trek Session 9.9 29

Nov 2018 · Drew Rohde

A review worth reading if you are considering a 29er DH bike. The Trek Session 9.9 downhill bike has a couple interesting quirks but is without a doubt one of the best DH bikes we've ridden in. If you're a racer looking for pick up speed and drop seconds, check this bike out!

Read Review

Pinkbike
Review: Trek Session 9.9 29

Oct 2018 · Paul Aston

One of the most successful, recognizable silhouettes on the DH circuit now comes with wagon wheels. So how does it compare to the newest crop of DH bikes?

Highs
  • Ultra light and stiff

  • Exceptional, simple finish

  • Balanced, aggressive geometry

  • Quick acceleration and efficient pedaling

Lows
  • Possibly too light and stiff

  • Top of the line price tag

  • Lacking traction in rough stuff

  • Reach may limit taller riders

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BikeRadar
Trek Session 8 27.5 review

Sept 2018 · Seb Stott

A pricey bike let down by a basic fork, disappointing brakes and dated geometry

Highs
  • ‘ABP’ rear suspension provides a solid, supple action

Lows
  • Relatively short front end feels cramped, high bottom bracket and short frame deliver a sometimes precarious-feeling ride, harsh fork and weak brakes are disappointing for the price

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NSMB
Cracked Dirt: TVS's Trek Session

Oct 2017

If you're a DH racer, your special edition bike usually comes out during worlds - if you're good enough to qualify and your bike sponsor loves you.

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Bicycling
First Look: 2018 Trek Session

May 2017 · Matt Phillips

All new carbon framesets for both 27.5 and 29 inch wheels for Trek's downhill race bike

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BIKE Magazine
First Look: 2018 Trek Session 29 and 27.5

May 2017

Trek releases the 2018 Session with updated geometry, refined linkage, and a revamped Float X2 shock. There's also a 29 inch version, which the internet will probably have nothing to say about.

Read Review

Dirt Mountainbike
Trek launches production Session 29

May 2017 · Smurf

The world's first production, carbon 29er downhill bike

Read Review

Geometry
Specs
Build
Frame

OCLV Mountain Carbon main frame & stays, ABP, magnesium EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, Control Freak internal routing, Carbon Armor, ISCG mount, 190mm travel

Fork

Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, Boost 110x20 thru axle, 190mm travel

Travel200mm

Spring TypeAir

Shock

Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x70mm

Travel190mm

Headset

FSA Orbit, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom (includes geometry adjust angled cups)

Rider Notes
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First added 16 September

Last updated 16 September

Not listed for 2,447 days