Trek Round Seat Cap 20mm Offset

##Trek Round Seat Cap 20mm Offset The revolutionary Trek Ride Tuned seatmast that is seen on the majority of their latest frames (Domane; Boone and Madone) requires the Trek Round Seat Cap 20mm Offset to make the most of it. This seat cap is available in two lengths; either 135 mm or 175 mm so that a fit can be achieved for all riders. Fantastically; it is also available in either white or black so that these can be colour matched to any frame.