Thread: 13T vs 11T Pulleys
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Old 09-23-14 | 01:13 PM
  #20  
fietsbob
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Joined: Jun 2010
Posts: 43,586
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From: NW,Oregon Coast

Bikes: 8

had Sun Race Plastic Pulleys on My Brompton Chain tensioner on my AW3 Brompton M3L.

replaced them with a sealed bearing Tacx pulley of Nylon ,and it is quieter .

Not all 'plastics' are the same , in summation.
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