Headset Part Trek Rail Carbon 29 2022 1.5" to 1.8" Reducer

Genuine replacement parts

Get your bike back on the trail with the headset parts you need.

Original replacement headset parts from FSA that are specific to the Rail.

Key Features

• First used on 2022 Rail 29 9.8 & 9.9 models with SRAM AXS drivetrains only
• Converts crown race from 1.8" to 1.5"
• Use with 72-degree upper Knock Block components

Specifications