Trek Carbon Seat Mast Cap 2015_rs1_a1_full_service_kit Robust wide link structure incorporates

Robust wide link structure incorporates carbon plate and solid pulley

Front and Rear IsoSpeed is the defining feature of the Domane platform

compatible with all tubeless road

and the bar is fully compatible with clip-on aero bar extensions

Trek Carbon Seat Mast Cap 2015_rs1_a1_full_service_kit Robust wide link structure incorporatesOffered 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 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