Bicycle Type - PTW & Bicycle
| Database table | bicycle |
| Database variable name | bicycle_type |
| Introduction date | 2011-11-01 |
| Expiration date | Still active |
Short description
Bicycle type involved in the accident.
Values
| 2 | Street race |
| 3 | City bike (for man) |
| 4 | City bike (for women) |
| 5 | Mountain bike |
| 6 | BMX style |
| 7 | Low chassis, foldable |
| 8888 | Other |
| 9999 | Unknown |
Description
State the type of bicycle involved in the accident, such as city bike, mountain bike, street race.
- Street race
Road “race” bicycles are designed for speed, and the sport of competitive road racing.
They have lightweight frames and components with minimal accessories, drop handlebars to allow for a powerful and aerodynamic riding position, narrow high-pressure tires for minimal rolling resistance and multiple gears.
Racing bicycles have a relatively narrow gear range, and typically varies from medium to very high ratios, distributed across 18, 20, 27 or 30 gears. (See figure 1.)
Figure 1. Street race bicycle
- City bike
A City bike is a bicycle designed for frequent, short, moderately paced rides through relatively flat urban areas.
City bikes are a form of utility bicycle commonly seen throughout, built to facilitate everyday riding in normal apparel in a variety of weather conditions.
(See Figure 2 and 3.)
Figure 2. Contemporary-styled European city bike with a diamond frame (usually a men’s bike).
Figure 3. Contemporary-styled European city bike with a step-through frame (usually a ladies’ bike).
- Mountain bike
Mountain bicycles (also called All Terrain Bicycle) are designed for off-road cycling.
Most mountain bicycles feature sturdy, highly durable frames and wheels, wide-gauge treaded tires, and cross-wise handlebars to help the rider resist sudden jolts.
Some mountain bicycles feature various types of suspension systems (e.g. coiled spring, air or gas shock), and hydraulic or mechanical disc brakes.
Mountain bicycle gearing is very wide-ranging, from very low ratios to mid ratios, typically with 16 to 28 gears. (See figure 4.)
Figure 4. Mountain bike
- BMX style
BMX bikes are designed for stunts, tricks, and racing on soil terrain BMX tracks.
They have a single gear ratio with a free-wheel and are built with smaller frames and wheels with wider, treaded tires. (See figure 5).
Figure 5. BMX style
- Foldable – portable bicycle
A foldable - portable bicycle is a bicycle that has been designed to be small and light enough for easy carrying.
It is usually dismantled to make a convenient bundle and the frame often has a folding action to facilitate this. (See figure 6)
Figure 6. Foldable – Portable bicycle
Short description
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