Trek Carbon Round Seat Cap 135 Black

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Skiis & Biikes will donate 5% of this purchase price to Protect Our Winters Canada to help fight climate change.


Trek-compatible seat mast cap 

Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately. 

Key features: 

- Ultra-light carbon construction 
- One bolt head design offers easy fore-aft and infinite angle adjustment 
- Compatible with all Trek road bikes with round seat masts 
- 135mm length
- 5mm offset
- Aluminum clamp

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