coaster brake
Học thuậtThân thiện
Definition
Noun: A coaster brake is a type of brake system for a bicycle. It is activated by applying backward pressure on the pedals, which causes the rear wheel hub to engage a braking mechanism, slowing or stopping the bicycle.
Usage
The term coaster brake is used to specifically describe this internal hub braking system, distinguishing it from hand-operated rim or disc brakes. * It is most commonly found on single-speed or cruiser-style bicycles. * The phrase is typically used in a technical or descriptive context when discussing bicycle components, maintenance, or features.
Examples
- "My old bicycle has a coaster brake, so I stop by pedaling backward."
- "When buying a bike for a child, some parents prefer models with a coaster brake for its simplicity."
- "The mechanic explained that servicing a coaster brake requires special tools to open the rear hub."
Advanced Usage
- Technical Description: In mechanical engineering or bicycle design contexts, a coaster brake may be described as an "internal expanding brake" or a "back-pedal brake" housed within the rear hub assembly.
Variants and Related Words
- Back-pedal brake: A synonymous, more descriptive term for a coaster brake.
- Foot brake: A general term sometimes used informally for a coaster brake, though it can also refer to other pedal-activated brakes.
- Hub brake: A broader category of brakes located in the wheel hub, which includes coaster brakes as well as other types like drum brakes.
Synonyms
- Back-pedal brake
Antonyms
- Hand brake
- Rim brake
- Disc brake
Related Phrases
- To have a coaster brake: To be equipped with this braking system.
- "Does this model have a coaster brake or hand brakes?"
- Coaster-brake hub: The specific wheel hub assembly that contains the braking mechanism.
- "You'll need to replace the entire coaster-brake hub."
Noun
- a brake on a bicycle that engages with reverse pressure on the pedals