General information
| Brand | Trek |
| Model | 820 (2012) |
| Weight | 15.8 kg |
| Released on the market | 2012 |
| For women | - |
| For kids | - |
| Frame material | Steel |
| Frame type | Closed |
| Collapsible frame | - |
| Color | Black |
| Fork type | Suspension |
| Shock absorber type | Spring-elastomer |
| Shock absorber pressure | 63 mm |
| Fork name | - |
| Wheel drive | Rear |
| Drive type | Chain |
| Transmission type | With an external switch |
| Number of speeds | 21 |
| System name | - |
| Cassette name | Shimano TX |
| Front derailleur gears name | - |
| Rear derailleur gears name | - |
| Shifters type | - |
| Shifters name | - |
| Front brakes | Tektro |
| Front brakes name | - |
| Rear brakes | Tektro |
| Front brakes name | - |
| Number of wheels | - |
| Wheels diameter | 26 " |
| Double rim | - |
| Rim material | - |
| Rims name | - |
| Tyres pattern | - |
| Tyres name | Bontrager Riser |
| Handlebar type | With the rise of |
| Handlebar name | With the rise of |
| Seat type | - |
| Seat suspension | Platform |
| Seat name | Platform |
| Pedals type | Platform |
| Pedals name | - |
| Front panel | - |
| Rear panel panel | - |
| Trunk | - |
| Rearview mirror | - |
| Horn | - |
| Basket | - |
