General information
| Brand | Kalkhoff |
| Model | BIG VALLEY 21 G Tourney |
| Weight | – |
| Released on the market | 2012 |
| For women | No |
| For kids | No |
| Frame material | Aluminum Alloy |
| Frame type | Closed |
| Collapsible frame | – |
| Color | Black |
| Fork type | Suspension |
| Shock absorber type | – |
| Shock absorber pressure | – |
| Fork name | – |
| Wheel drive | Rear |
| Drive type | Chain |
| Transmission type | With an external switch |
| Number of speeds | 21 |
| System name | – |
| Cassette name | – |
| Front derailleur gears name | – |
| Rear derailleur gears name | – |
| Shifters type | Trigger |
| Shifters name | Shimano Tourney |
| Front brakes | Rim mechanical |
| Front brakes name | V-brake |
| Rear brakes | Rim mechanical |
| Front brakes name | V-brake |
| Number of wheels | 2 |
| Wheels diameter | 26 " |
| Double rim | – |
| Rim material | Aluminium |
| Rims name | Schurmann Yak |
| Tyres pattern | Semi slicks |
| Tyres name | Bohle Crosspac |
| Handlebar type | Direct |
| Handlebar name | Direct |
| Seat type | Travel |
| Seat suspension | No |
| Seat name | Black Comp |
| Pedals type | Platform |
| Pedals name | – |
| Front panel | Yes |
| Rear panel panel | Yes |
| Trunk | Yes |
| Rearview mirror | No |
| Horn | Yes |
| Basket | No |
