To improve your shopping experience today and in the future, this site uses cookies.
I Accept Cookies
The Session 8 is a downhill mountain bike with a burly alloy frame and high-pivot suspension design that keeps you nimble, planted and blazing-fast on even the most punishing runs.
The Session 8 is a downhill mountain bike with a burly alloy frame and high-pivot suspension design that keeps you nimble, planted and blazing-fast on even the most punishing runs.
Trek

Trek Session 8 29 GX Full Suspension Mountain Bike 2025 in Satin Trek Black

£4,299.00 £5,600.00 23% off
Earn
in Customer Rewards when you buy this item today
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
Earn Rewards
When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Trek Session 8 29 GX Full Suspension Mountain Bike 2025 in Satin Trek Black

Season:2025Sale

Brand:Trek

Code:37056SATBLK

The Session 8 is a downhill mountain bike with a burly alloy frame and high-pivot suspension design that keeps you nimble, planted and blazing-fast on even the most punishing runs.

A burly alloy frame, 200 mm rear travel with a Marzocchi Bomber shock, 200 mm RockShox Boxxer Select with plush Charger RC damper, powerful Code R 4-piston brakes and a SRAM GX 7-speed drivetrain.

You practically live at the downhill park, and want a fast, traction-packed DH bike that can handle your gnarliest runs thanks to a suspension design that keeps you in control all the way down.

The Session has always been the go-to DH bike. Now it's more of a ripper than ever thanks to a new suspension design that delivers more traction, speed and virtually no pedal kickback.

Key Features & Benefits:

  • Trek's Patented ABP and high pivot layout:Keeps suspension active for increased traction and more control when it's needed most.
  • Hydraulic Disc Brakes:Superb Braking Power.
  • 7-Speed SRAM DH Drivetrain:DH specific drivetrain keeps things simple, so you can focus on shredding and getting rad.

Full Specification:

  • Frame:Alpha Platinum Aluminium, high main pivot, idler pulley, integrated frame protection, internal or external routing, magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157x12 mm thru-axle, 200 mm travel
  • Rear Shock:Marzocchi Bomber, 400 - 500 lb spring, 250 mm x 72.5 mm
  • Fork:RockShox Boxxer Select, DebonAir spring, Charger RC damper, 46 mm offset, 20x110 mm Boost thru-axle, 200 mm travel
  • Number of Gears:7
  • Gear Shifters:SRAM GX DH, 7-speed
  • Chainset:Truvativ Descendant DH, DUB 83, 34-T steel ring, 165 mm length
  • Chainrings:34T alloy
  • Cassette:SRAM PG-720, 11-25, 7-speed
  • Chain:SRAM PC-1110, 11-speed
  • Front Derailleur:N/A
  • Rear Derailleur:SRAM GX DH, medium cage
  • Bottom Bracket:SRAM DUB, 83 mm, BSA threaded
  • Pedals:Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
  • Rims:Bontrager Line DH 30, Tubeless-Ready
  • Front Hub:Bongtrager 6-bolt, 110x20 mm Boost thru axle
  • Rear Hub:Bontrager Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157x12mm thru axle
  • Front Tyre:Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29x2.50"
  • Rear Tyre:Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29x2.50"
  • Brakes:SRAM CODE Bronze 4-piston hydraulic disc
  • Handlebars:Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
  • Handlebar Grips:Bontrager XR Trail Elite, alloy lock-on
  • Headset:FSA Orbit, sealed cartridge bearing, 1-1/8" top, 1.5" bottom (includes geometry-adjust angled cups)
  • Stem:Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
  • Saddle:Bontrager Arvada, hollow chromoly rails, 138 mm width
  • Seatpost:Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
  • Accessories:N/A
  • Weight:M - 17.92 kg

Session Size Guide

Frame SizeRider HeightInseam
R1161 - 175 cm76 - 82 cm
5'3" - 5'9"30" - 32"
R2174 - 188 cm82 - 88 cm
5'9" - 6'2"32" - 35"
R3186 - 196 cm87 - 92 cm
6'1" - 6'5"34" - 36"
Sizing Information
Professional Opinion
Question(s) answered about Trek Session 8 29 GX Full Suspension Mountain Bike 2025 in Satin Trek Black
Ask a question
Question(s) asked regarding Trek Session 8 29 GX Full Suspension Mountain Bike 2025 in Satin Trek Black

Ask a question

Your name
Your email address
Your phone number
Your question
Submit Question  Close
Home Mountain Biking Bikes Trek Mountain Bikes