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How a Rear Derailleur Works

365,835 views

Park Tool

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

93%
  • 4:03 / 4:20

Speech Rate:

  • 129 wpm - Conversational

Category:

  • Howto & Style

Tags :

Intro:

Video Vocabulary

parallelogram

/ˌperəˈleləˌɡram/

noun

four-sided plane rectilinear figure with opposite sides parallel.

service

/ˈsərvəs/

noun verb

action of helping or doing work for someone. To maintain a piece of machinery so it runs well.

linkage

/ˈliNGkij/

noun

action of linking.

pulleys

/ˈpo͝olē/

noun other verb

wheel with grooved rim around which cord passes, which acts to change direction of force applied to cord. Device for heavy lifting with wheel drawn by chain. hoist with pulley.

mechanism

/ˈmekəˌnizəm/

noun

system of parts in machine.

secured

/səˈkyo͝or/

verb

To get or achieve something with certainty.

section

/ˈsekSH(ə)n/

noun verb

Specific group of people from a larger group. divide into sections.

derailleur

/dəˈrāl(y)ər/

noun other

bicycle gear which works by lifting chain from one sprocket wheel to another. .

understand

/ˌəndərˈstand/

verb

perceive intended meaning of.

sprockets

/ˈspräkət/

noun other

each of several projections on rim of wheel that engage with links of chain or with holes in film or paper. Roller that has teeth on the rims to pull film or paper through.

mechanical

/məˈkanək(ə)l/

adjective noun

operated by machine. working parts of vehicle.

tension

/ˈtenSHən/

noun verb

Feeling of anxiety and inability to relax. apply force to something which tends to stretch it.

connected

/kəˈnektəd/

adjective verb

brought together so that link is established. To become friends with another person.

functionality

/ˌfəNG(k)SHəˈnalədē/

noun

Capable of serving a purpose well.

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