Trek Color-Matched Matte Carbon SeatMastCap & 7mm Round Ears

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. A mast cap available in two sizes and offsets for all Trek road bikes with round seat masts.

Product details
- 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
- Aluminium clamp
- Includes 7mm round saddle clamp ears, 10mm ears sold separately