Trek Session 8 27.5 2018
2018 Mountain
Estimate price |
3,799$
Weight | 17.42 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Travel Front 200mm -
Travel Rear 210mm -
Fork RockShox BoXXer
-
Groupset GX, Truvativ Descendant -
Suspension Full -
Drivetrain 1 × 7 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM Low
158cm - 171cm
MD Low
168cm - 180cm
LG Low
178cm - 189cm
XL Low
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Platinum Aluminum, ABP, Full Floater, EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, down tube guard, ISCG Mount, 210mm travel
Suspension Fork
RockShox BoXXer RC, coil spring (S, M red / L, XL blue), low speed compression, internal preload, Motion Control IS, 20mm Maxle DH, 200mm travel
Rear Shock
RockShox Kage RC, coil spring, rebound, adjustable hydraulic compression damping, tuned by Trek Suspension Lab, 8.75" x 2.75"
Drivetrain
Rear Derailleur
SRAM GX, Roller Bearing Clutch
Front Derailleur
N/A (1x-specific)
Shift Levers
SRAM GX DH, 7 speed
Cassette
SRAM PG-720, 11-25, 7 speed
Crank
SRAM Descendant, 36T
Bottom Bracket
Sealed cartridge
Chain
SRAM PC-1110
Chain Guide
MRP
Pedals
Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Wheels
Front Hub
DT Swiss FR2150, 110x20mm front, 157x12mm rear
Rear Hub
DT Swiss FR2150, 110x20mm front, 157x12mm rear
Rims
DT Swiss FR2150, 110x20 front, 157x12 rear
Tires
Bontrager G4 Team Issue, 27.5x2.35?
Brakes
Brakes
SRAM Guide R hydraulic disc
Brake Levers
SRAM Guide R hydraulic
Cockpit
Stem
Direct Mount, 31.8mm
Handlebar
Bontrager Rhythm Elite, 31.8mm, 15mm rise, 820mm width
Grips
Bontrager Rhythm, dual lock-on
Headset
FSA Orbit, sealed cartridge bearing, 1-1/8? top, 1.5? bottom
Seat
Saddle
Bontrager Evoke 2, chromoly rails
Seatpost
Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM Low | MD Low | LG Low | XL Low |
|---|---|---|---|---|
| Stack Reach Ratio | 1.6 mm | 1.52 mm | 1.43 mm | 1.35 mm |
| Bottom Bracket Height | 356 mm | 356 mm | 356 mm | 356 mm |
| Front Center | 738 mm | 758 mm | 782 mm | 806 mm |
| Rake | 49 mm | 49 mm | 49 mm | 49 mm |
| Trail | 118 mm | 118 mm | 118 mm | 118 mm |
| Stack | 602 mm | 602 mm | 602 mm | 602 mm |
| Reach | 377 mm | 397 mm | 421 mm | 445 mm |
| Top Tube Length | 569 mm | 589 mm | 613 mm | 637 mm |
| Seat Tube Angle | 57 ° | 57 ° | 57 ° | 57 ° |
| Seat Tube Length | 412 mm | 445 mm | 445 mm | 483 mm |
| Head Tube Angle | 63.6 ° | 63.6 ° | 63.6 ° | 63.6 ° |
| Head Tube Length | 150 mm | 150 mm | 150 mm | 150 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1178 mm | 1198 mm | 1222 mm | 1246 mm |
| Bottom Bracket Drop | -1 mm | -1 mm | -1 mm | -1 mm |
| Standover Height | 750 mm | 743 mm | 739 mm | 744 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Session 8 27.5 belongs to the Trek Session model. Trek launched 88 bikes of this model so far. You can easily view all of the Trek Session bikes models from 2018, here.
Model range prices
Trek Session 8 27.5 2018 is the most economical model, with a starting price of 3799$. Trek Session 9.9 2018 on the other hand costs 9999$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Downhill bikes
Our math shows that the average cost of a dependable Downhill bike is 3391$. However, even though the average price of a Downhill bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
At the moment of the release date, Trek Session 8 27.5 price was 3799$. Doing a quick comparison, we notice that Session 8 27.5 price is 12.03% higher than the average cost of a Downhill bike.
Downhill bikes average weight
The average weight for Downhill bikes is 15.89 kg (35.03 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
Weighing 17.42 kg (38.4 lbs), the Session 8 27.5 model is a bit heavier than average. In other words, this model is 9.63% 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.
Overview of 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. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Rear Shock
The Session 8 27.5 has a rear shock with a travel of 210mm. The model RockShox Kage RC is the one installed in this bike. Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
The wheels on Session 8 27.5 are the 27.5″ aluminum type. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Session 8 27.5 comes with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.