Thread: Brompton, 50t chainring vs 44t
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Old 09-14-18 | 10:28 AM
  #23  
fietsbob
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specifics?
Originally Posted by 7renk
My Brompton 2015 model. I want to do 39. Which brand and model do I need to purchase?
any 130bcd 39t will do, Surly's Stainless steel 39-130 will last/wear longer, than the aluminum ones..
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