Trek Angle-Adjust Headset Cup Short (Upper Cup) rear Optimized platform size and surface

Optimized platform size and surface for trail/gravel riding

Additional external features include helmet carry

Nearly vertical trail

the Rival eTap AXS rear derailleur will handle it

Rainbow colourway available in all sizes

Trek Angle-Adjust Headset Cup Short (Upper Cup) rear Optimized platform size and surfaceUpper angle adjust headset cup for 2023 Fuel EX Slash frame sizes XS to L. Dial in your dream geometry The Fuel EX offers up to two degrees of head tube angle adjustment with aftermarket angle adjust cups. Start with the appropriate size upper angle adjust headset cup for your size Fuel EX, then add a Lower headset cup to get your bike dialled. Adjust head tube angle one degree slacker or steeper with angle adjust cups Product details Upper headset