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Trek / Bontrager Carbon Seat Mast Cap: 135mm - 20mm Offset - for Domaine Madone Boone Emonda (NEW)

Current Stock:
OUT OF STOCK: No set time when/if we will get more as we don't use distributors

Out of Stock

Product Description

Factory seatmast cap, made by Bontrager and fits late model Madone, Emonda, Boone, Domane, and a few others.  Has "Ride Tuned" decal.  Standard 135mm length with 20mm setback.


New. We have two of these.  The first one ordered is in retail packaging, 2nd one ordered will have no packaging but is brand new.


  • Carbon
  • For round seat mast
  • Length: 135mm
  • Offset: 20mm
  • Rails: standard 9mm round (ears for carbon rails sold separately)
  • Black
  • Part number: 512575
  • MSRP: $140

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