Checkpoint ALR 5 Sky TealCheckpoint Alr 5 Sky Teal The aluminium gravel platform that started Trek's Checkpoint dynasty. Light, durable, race ready alloy frame with all the mounts, clearance and geometry of the carbon SL at a price that gets more riders onto the gravel scene. Why You'll Love It Lightweight aluminium frame with carbon fork gravel tuned geometry and stiff power transfer Clearance for up to 45c tyres from sealed road commutes through to chunky gravel Internal