Trek Session 8 DH 27.5 2017
2017 Mountain
Estimate price |
3,999$
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
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
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
Drivetrain
Rear Derailleur
SRAM GX DH, Roller Bearing Clutch
Shift Levers
SRAM GX DH, 7 speed
Cassette
SRAM PG-720, 11-25, 7 speed
Crank
Truvativ Descendant, 36T
Bottom Bracket
Sealed cartridge
Chain
SRAM PC-1110
Pedals
Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Wheels
Rims
DT Swiss FR2150, 110x20 front, 157x12 rear
Tires
Bontrager G4 Team Issue, 27.5x2.35"
Brakes
Brakes
SRAM Guide R hydraulic disc
Cockpit
Stem
Bontrager Direct Mount, 31.8mm
Handlebar
Bontrager Rhythm Elite, 31.8mm, 15mm rise
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 | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.6 mm | 1.52 mm | 1.43 mm | 1.36 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 | 599 mm | 599 mm | 599 mm | 599 mm |
| Reach | 374 mm | 394 mm | 418 mm | 442 mm |
| Top Tube Length | 566 mm | 586 mm | 610 mm | 634 mm |
| Seat Tube Angle | 57 ° | 57 ° | 57 ° | 57 ° |
| Seat Tube Length | 426 mm | 426 mm | 456 mm | 456 mm |
| Head Tube Angle | 63.6 ° | 63.6 ° | 63.6 ° | 63.6 ° |
| Head Tube Length | 115 mm | 115 mm | 115 mm | 115 mm |
| Chainstay Length | 437 mm | 437 mm | 437 mm | 437 mm |
| Wheelbase | 1175 mm | 1195 mm | 1219 mm | 1243 mm |
| Bottom Bracket Drop | -1 mm | -1 mm | -1 mm | -1 mm |
| Standover Height | 796 mm | 782 mm | 776 mm | 759 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 |
Model Overview
Session 8 DH 27.5 is a Trek Session model. Trek released 88 bikes variations of this model so far. You can get a glimpse at all models from 2017, by clicking on this link.
Model range prices
Trek Session 8 DH 27.5 2017 is the cheapest bike model and costs 3999$. Trek Session 9.9 2017 is the most expensive one and costs 9999$.
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
According to our calculations, the average cost of a Downhill bike that is reliable is 3391$. However, even though the average price of a Downhill bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
This bike was released in 2017 and its price was 3999$. Doing a quick comparison, we notice that Session 8 DH 27.5 price is 17.93% more expensive 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.
With a weight of 17.42 kg (38.4 lbs), Trek bike is a bit heavier than average. In conclusion, the average Downhill bike weighs 9.63% less than Session 8 DH 27.5.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Session 8 DH 27.5 components
Fork
The Session 8 DH 27.5 comes factory-installed with the RockShox BoXXer fork. This has a travel range of 200mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Rear Shock
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. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels size
When leaving the production line, the Session 8 DH 27.5 model has 27.5″ aluminum wheels. The 27.5″ wheels are a great choice for smaller riders. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Trek Session 8 DH 27.5 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, your safety is in good hands.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.