Trek FX Sport SL 4 Bike Size:S 3M™ Thinsulate™ Insulation – Keeps

3M™ Thinsulate™ Insulation – Keeps feet warm and responsive even in extremely cold and damp conditions

Transmitting the power with less effort

Warmer than a GORE-TEX® Pro pant because of the brushed flannel backer

A ski for the rad woman who is constantly searching for adrenaline-inducing powder opportunities

10% Rocker raises the contact points for less chance of catching an edge and a more reliable turn initiation

Trek FX Sport SL 4 Bike Size:S 3M™ Thinsulate™ Insulation – KeepsFX Sport SL 4 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high performance bike perfect for everything from solo workouts to speedy group rides.