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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

Shape with two parallel and equal lines in length.

service

/ˈsərvəs/

noun verb

Maintenance of machinery so it runs well, e.g. car. To help or do work for someone, e.g. in a store.

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

fix or attach something firmly so that it cannot be moved or lost.

section

/ˈsekSH(ə)n/

noun verb

A part of a whole. To divide something into smaller parts.

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

state of being stretched tight. 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

quality of being suited to serve purpose well.

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