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   Ghent 
     1910 Colley Ave
            Norfolk, VA 23517
    (757) 622-0446
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Cycling Glossary - Word of the Day

pulleys

The small toothed wheels on the rear derailleur that carry the chain. The top one is called the "jockey pulley." It's responsible for moving the chain during shifting. The bottom pulley is called the "tension pulley." It creates tension on the chain to keep it taut during shifting.

 

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1910 Colley Ave. Norfolk, VA 23517   |  (757) 622-0446  EAST COAST BICYCLES