Trek Session 8 29 GX 2024
2024 Mountain
Estimate price |
5,499$
Weight | 17.92 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 200mm -
Travel Rear 200mm -
Fork RockShox BoXXer
-
Groupset GX, Truvativ Descendant -
Suspension Full -
Drivetrain 1 × 7 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
R1 High
161cm - 176cm
R1 Low
161cm - 176cm
R2 High
173cm - 188cm
R2 Low
173cm - 188cm
R3 High
186cm - 196cm
R3 Low
186cm - 196cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Platinum Aluminum, 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, 157x12mm thru axle, 200mm travel
Suspension Fork
RockShox Boxxer, DebonAir+ spring, Rush RC damper, 52mm offset, BoostDH 110x20 Maxle Stealth, 200mm travel
Rear Shock
Size: R1, Marzocchi Bomber, 400lb spring, 250mm x 72.5mm; Size: R2, Marzocchi Bomber, 450lb spring, 250mm x 72.5mm; Size: R3, Marzocchi Bomber, 500lb spring, 250mm x 72.5mm
Drivetrain
Rear Derailleur
SRAM GX DH, medium cage
Shift Levers
SRAM GX DH, 7 speed
Cassette
SRAM PG-720, 11-25, 7 speed
Crank
Truvativ Descendant DH, DUB 83, 34T steel ring, 165mm length
Bottom Bracket
SRAM DUB, 83mm, BSA threaded
Chain
SRAM PC-1110, 11 speed
Pedals
Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Wheels
Rims
Front: Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110x20mm Boost thru axle, Rear: Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157x12mm thru axle
Tires
Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50''
Brakes
Brakes
SRAM CODE Bronze 4-piston hydraulic disc
Cockpit
Stem
Bontrager Line Pro, 35mm, Direct Mount, 50mm length
Handlebar
Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width
Grips
Bontrager XR Trail Elite, nylon lock-on
Headset
FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom (includes geometry adjust angled cups)
Seat
Saddle
Bontrager Arvada, hollow chromoly rails, 138mm width
Seatpost
Bontrager Rhythm Elite, 31.6mm, 0mm offset, 330mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | R1 High | R1 Low | R2 High | R2 Low | R3 High | R3 Low |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.43 mm | 1.46 mm | 1.35 mm | 1.38 mm | 1.28 mm | 1.3 mm |
| Bottom Bracket Height | 359 mm | 350 mm | 359 mm | 350 mm | 359 mm | 350 mm |
| Front Center | 808 mm | 808 mm | 833 mm | 833 mm | 861 mm | 861 mm |
| Rake | 47 mm | 47 mm | 47 mm | 47 mm | 48 mm | 47 mm |
| Trail | 131 mm | 136 mm | 131 mm | 136 mm | 132 mm | 136 mm |
| Stack | 625 mm | 630 mm | 625 mm | 630 mm | 625 mm | 630 mm |
| Reach | 438 mm | 431 mm | 463 mm | 456 mm | 490 mm | 484 mm |
| Top Tube Length | 577 mm | 578 mm | 608 mm | 609 mm | 643 mm | 644 mm |
| Seat Tube Angle | 77.1 ° | 76.5 ° | 77.1 ° | 76.5 ° | 77.1 ° | 76.5 ° |
| Seat Tube Length | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Head Tube Angle | 63.6 ° | 63 ° | 63.6 ° | 63 ° | 63.6 ° | 63 ° |
| Head Tube Length | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm |
| Chainstay Length | 426 mm | 430 mm | 432 mm | 436 mm | 439 mm | 443 mm |
| Wheelbase | 1234 mm | 1237 mm | 1265 mm | 1268 mm | 1300 mm | 1303 mm |
| Bottom Bracket Drop | 12 mm | 21 mm | 12 mm | 21 mm | 12 mm | 21 mm |
| Standover Height | 746 mm | 738 mm | 750 mm | 742 mm | 748 mm | 740 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 161 cm | 161 cm | 173 cm | 173 cm | 186 cm | 186 cm |
| Rider Max Height | 176 cm | 176 cm | 188 cm | 188 cm | 196 cm | 196 cm |
About this model
Session 8 29 GX is part of the Trek Session model. Trek released 88 bikes variations of this model so far. Take a sneak peek at all Trek Session bikes models from 2024, by clicking here.
Model range prices
Trek Session 8 29 GX 2024 is the most affordable bike of this model and has a price of 5499$. On the other hand, Trek Session 8 2024, is the most expensive and costs 6370$.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Downhill bikes average price
Our math shows that the average cost of a dependable Downhill bike is 3391$. However, even if your budget is less than the average, you might still be able to get a top-quality Downhill bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
When Trek released this model in 2024, its price was 5499$. In conclusion, this bike price is 62.16% more expensive than the price of the average Downhill bike.
Downhill bikes average weight
On a deeper look, we notice that the average weight of a Downhill bike is 15.95 kg (35.16 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
With a weight of 17.92 kg (39.51 lbs), Trek bike is considerably heavier than average. In other words, this model is 12.35% heavier than the average Downhill bike.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
Session 8 29 GX components
Fork
Trek Session 8 29 GX 2024 bike is equipped with the RockShox BoXXer fork, and has 200mm travel. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Rear Shock
From the factory, it comes with the Size: R1 rear shock model, which has a travel of 200mm. Rear shocks improve riding comfort and give you greater control over all terrains. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels
When leaving the production line, the Session 8 29 GX model has 29″ aluminum wheels. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, 29″ wheels will make your bike react slower to obstacles you may encounter.
Brakes
For your safety, it is important to have quality breaks on your bike. Trek Session 8 29 GX has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 6 sizes. They vary from 161 cm – 196 cm (5.28 ft – 6.43 ft). In conclusion, you won’t have a problem finding one that suits you.