TrekColor-Matched Matte Carbon Seatmast Cap & 7mm Round Ears

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