Trek 820 2021
2021 Mountain
Estimate price |
439$
Weight | 15.28 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Steel -
Wheels 26" -
Travel Front 75mm -
Fork SunTour
-
Groupset Tourney -
Suspension Hardtail -
Drivetrain 3 × 7 -
Brakes Rim
Sizing
Recommended size guide.
XS
137cm - 155cm
SM
153cm - 167cm
MD/LG
165cm - 179cm
LG
177cm - 188cm
XL
186cm - 197cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Trek Custom Steel, rack mounts, 135x5mm QR
Suspension Fork
SR Suntour M-3030, coil spring, 100x5mm QR, 75mm travel
Drivetrain
Rear Derailleur
Shimano Tourney TY300, long cage, 34T max cog
Front Derailleur
Shimano Tourney TY500, 31.8mm clamp, top swing, dual pull
Shift Levers
Shimano Tourney EF41, 7 speed
Cassette
Shimano TZ500, 14-28, 7 speed
Crank
Shimano Tourney TY301, 42/34/24, 170mm length
Chain
KMC Z7, 7 speed
Wheels
Front Hub
Formula FM21 alloy, 100x5mm QR
Rear Hub
Formula FM31 alloy, 7sp freewheel, 135x5mm QR
Rims
Bontrager AT-550, alloy, 36-hole, schrader valve
Brakes
Brakes
Tektro alloy linear-pull
Cockpit
Stem
Size: XS, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: M/L, L, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: XL, Bontrager alloy, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length
Handlebar
Size: XS, S, Bontrager alloy, 31.8mm, 15mm rise, 660mm width; Size: M/L, L, XL, Bontrager alloy, 31.8mm, 15mm rise, 690mm width
Grips
Bontrager SSR
Headset
1-1/8'' threadless
Seat
Saddle
Bontrager Sport
Seatpost
Size: XS, S, Bontrager alloy, 29.2mm, 12mm offset, 300mm length; Size: M/L, L, Bontrager alloy, 29.2mm, 12mm offset, 330mm length; Size: XL, Bontrager alloy, 29.2mm, 12mm offset, 400mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD/LG | LG | XL |
|---|---|---|---|---|---|
| Bottom Bracket Height | 287 mm | 291 mm | 293 mm | 293 mm | 293 mm |
| Front Center | 589 mm | 610 mm | 627 mm | 638 mm | 649 mm |
| Trail | 76 mm | 76 mm | 76 mm | 76 mm | 76 mm |
| Top Tube Length | 522 mm | 548 mm | 563 mm | 578 mm | 588 mm |
| Seat Tube Angle | 74 ° | 73.5 ° | 73.5 ° | 73 ° | 73 ° |
| Seat Tube Length | 330 mm | 406 mm | 457 mm | 495 mm | 533 mm |
| Head Tube Angle | 70.5 ° | 70.5 ° | 70.5 ° | 70.5 ° | 70.5 ° |
| Head Tube Length | 110 mm | 110 mm | 130 mm | 150 mm | 170 mm |
| Chainstay Length | 428 mm | 428 mm | 428 mm | 428 mm | 428 mm |
| Wheelbase | 1017 mm | 1038 mm | 1055 mm | 1066 mm | 1077 mm |
| Standover Height | 703 mm | 736 mm | 770 mm | 797 mm | 825 mm |
| Wheels | 26" | 26" | 26" | 26" | 26" |
| Rider Min Height | 137 cm | 153 cm | 165 cm | 177 cm | 186 cm |
| Rider Max Height | 155 cm | 167 cm | 179 cm | 188 cm | 197 cm |
Model Overview
820 is part of the Trek 820 model. Trek released 35 bikes variations of this model so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
Trek 820 Women’s 2021 is the most economical model, with a starting price of 419$. Trek 820 2021 on the other hand costs 439$, 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.
Crosscountry bikes average price
If you want an acceptable Crosscountry bike you should know that the average price is 1905$. However, even though the average price of a Crosscountry bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Furthermore, this bike was made available in 2021 for 439$. Comparing the average cost of a Crosscountry bike to this one, you will see that 820 price is 333.94% smaller.
Crosscountry bikes average weight
If we make a quick analysis of the average weight of a Crosscountry bike, we get 12.4 kg (27.34 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Trek 820 it’s weighing 15.28 kg (33.69 lbs). At this weight, is much heavier than average. In short, the average Crosscountry bike weight is 23.23% lower than this one.
Overview of components
Fork
This bike has the SunTour fork installed. The fork’s travel is 75mm. 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.
Wheels
The wheels on 820 are the 26″ aluminum type. Being a little smaller, these wheels will fit both small and tall riders. However, you will need increased suspension than in the case of 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Trek 820 has Rim brakes installed. Rim brakes deliver an average performance overall. However, they are not nearly as effective as hydraulic brakes are.
Sizes
This bike is available in 5 sizes. They vary from 137 cm – 197 cm (4.49 ft – 6.46 ft). In conclusion, finding one for you shouldn’t be a problem.