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Shimano DURA-ACE R9100 Bottom Bracket - BSA

Item: 50-4744
$39.99
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Update

The R9100 bottom bracket by Shimano provides smoother rotation with 50% less drag, due to its new seal construction. It also features smaller ball bearings, which are positioned on the outside for lighter weight and better weight distribution.

Features:

  • Smaller ball bearings for lighter weight
  • Advanced seal construction for smoother rotation
  • Sealing ensures 50% less drag
  • Shell width: 68mm
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