Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 26" -
Travel Front 170mm -
Travel Rear 170mm -
Groupset SLX, Race Face -
Suspension Full -
Drivetrain 2 × 10 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
15.5"
153cm - 167cm
17.5"
170cm - 184cm
19.5"
176cm - 189cm
21.5"
186cm - 196cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Red Aluminum w/Aluminum Armor, ABP, Full Floater, alloy EVO Link, E2 tapered head tube, oversized pivot bearings, ISCG03 mounts, 142x12mm or 135x12mm rear axle adaptors, replaceable derailleur hanger, adjustable geometry, 170mm travel
Drivetrain
Rear Derailleur
Shimano SLX
Front Derailleur
Shimano SLX, MRP LRP
Shift Levers
Shimano SLX, 10 speed
Cassette
Shimano HG8110 11-36, 10 speed
Crank
Race Face Ride, 36/24 w/bash guard
Pedals
n/a
Wheels
Rims
Bontrager Cousin Earl Disc wheel system, 32 hole, 20mm front hub, 142x12mm rear hub, tubeless ready
Tires
Bontrager XR4 Expert, 26x2.35"
Brakes
Brakes
Avid Elixir 5 hydraulic disc brakes
Cockpit
Stem
Bontrager Rhythm, 31.8mm
Handlebar
Bontrager Rhythm Pro, 31.8mm, 50mm rise, 9 degree sweep
Headset
FSA NO.57E, E2, ACB sealed bearings
Seat
Saddle
Bontrager Evoke 2, chromoly rails
Seatpost
Bontrager Rhythm Elite, 31.6mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 15.5" | 17.5" | 19.5" | 21.5" |
|---|---|---|---|---|
| Wheels | 26" | 26" | 26" | 26" |
| Rider Min Height | 153 cm | 170 cm | 176 cm | 186 cm |
| Rider Max Height | 167 cm | 184 cm | 189 cm | 196 cm |
About this model
Scratch Air 8 is a Trek Scratch model. Trek launched 8 bikes of this model so far. Check out the entire range from 2011 of this model, by clicking this link.
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, paying less money than this amount doesn’t mean that you couldn’t get a great Downhill bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Scratch Air 8 components
Rear Shock
Rear shocks improve riding comfort and give you greater control over all terrains. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
As for the wheels, Trek Scratch Air 8 2011, has a 26″ aluminum model. The 26″ wheels are lighter than the 27.5 or 29″ wheels. However, they are less forgiving when riding over obstacles such as bumps and roots.
Brakes
For your safety, it is important to have quality breaks on your bike. Trek Scratch Air 8 has Hydraulic Disc brakes installed. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
This bike is available in 4 sizes. They vary from 153 cm – 196 cm (5.02 ft – 6.43 ft). In short, it won’t be difficult to find the right one for you.