Shimano RS900 Dura-Ace R9100 Rear Mech Outer Casing

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  • Regular price £5.99
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  • Pack of 10 pieces of 240 mm, 4 mm diameter SIS OT-RS900 outer cable casing specifically developed for Dura-Ace R9100 rear derailleur
  • More pliable than SP41 outer casing, designed to work specifically with the Dura-Ace R9100 Shadow derailleur without B-tension spring
  • Lubricated internally along its length with low-friction silicon grease to reduce cable friction
  • Special construction process makes for an axially stiff casing that transmits shifting movements accurately and quickly
  • Lined with a polymer sheath to assist with the smooth operation of the inner wire
  • For use with 1.2 mm diameter Polymer coated inner wires