Thread: Upgrade derailleurs from Shimano 105 to Ultegra
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Old 06-04-22, 06:51 PM
  #16  
t2p
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the 10 spd Ultegra RD should weigh less than the 105 RD

example : 11 spd 105 / 5800 GS RD weighs 245 g -- Ultegra / 6800 GS RD weighs 209 g

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Last edited by t2p; 06-04-22 at 06:55 PM.
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