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Integrated design to fit specific Trek bikes
more durability
or Nuna child seat to your Fetch+ 4 with this convenient adapter
Part Number 5327139 Color Black Size 218mm x 267mm Model Year 2026
Trek Carbon Seatmast Cap & 7mm Round Ears bicycle chain Integrated design to fit specificDiscover the perfect blend of performance and style with the Trek Carbon Seatmast Caps. These seatmast caps are engineered to provide cyclists with a reliable and lightweight solution for their seatpost needs. Available in various sizes, including 135mm x 20mm and 175mm x 20mm, each cap is crafted with precision to ensure a perfect fit and superior aerodynamics. Features: High Quality Carbon Construction: Built with premium carbon fiber, these
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