Trek Session 8 29 GX 2023
2023 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
alloy frame
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
Bontrager Line DH 30, Tubeless Ready
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 |
Model Overview
Session 8 29 GX belongs to the Trek Session model. 88 bikes variations carry this model name so far. You can get a glimpse at all models from 2023, by clicking on this link.
Model range prices
Trek Session 8 29 GX 2023 is the most economical model, with a starting price of 5499$. Trek Session 9 2023 on the other hand costs 8493$, and is the most expensive model.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Downhill bikes average price
If you want to purchase a solid Downhill bike, it is important to know that the average cost is 3391$. However, even though the average price of a Downhill bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 5499$. If we compare this with the average Downhill bike cost we notice that the price is 62.16% higher.
Downhill bikes average weight
On a deeper look, we notice that the average weight of a Downhill bike is 15.89 kg (35.03 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
With a weight of 17.92 kg (39.51 lbs), Trek bike is considerably heavier than average. To sum up, it’s 12.78% heavier than the average weight of Downhill bikes.
Session 8 29 GX components
Fork
The RockShox BoXXer is included from the factory. It has a travel distance of 200mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Rear Shock
From the factory, it comes with the Size: R1 rear shock model, which has a travel of 200mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels size
When it comes to wheels, the Session 8 29 GX bike is equipped with the 29″ aluminum model. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. 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. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. 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, it won’t take much to find one that’s right for you.