A mast cap available in two sizes and offsets for all Trek road bikes with round seat masts.
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.
- Ultra-light carbon construction
- Direct fit on all Trek road bikes with round seat masts
- Colour-matched for direct compatibility
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Includes 7Â mm round saddle clamp ears, 10Â mm ears sold separately