FROM YOUR DAILY COMMUTE TO BIKEPACKING, HANDLE IT ALL WITH THE TREK CHECKPOINT ALR 4 ROAD BIKE.Your daily commutes and bikepacking adventures will get a heck of a lot better with the Trek Checkpoint ALR 4 Road Bike. The 300 Series Alpha Aluminum frame has massive tire clearance (can use tires up to 45c for extra traction) and an adjustable Stranglold dropouts for a fine-tuned ride. Plus, the Flat Mount disc brakes offer a lighter and more elegant alternative to traditional disc brakes that deliver on great performance and stopping power. So if you're looking for a versatile bike for gravel riding or your daily commute that doesn't break the bank, it'll be hard to find a better bike than the Trek Checkpoint ALR 4 Road Bike. FEATURES300 Series Alpha Aluminum - Trek's premium-grade aluminum is hydroformed into size-specific tubes that provide the perfect balance of stiffness and weightCarbon fork - Lightweight fork with carbon fiber legs soaks up hand-numbing road vibrationFlat Mount disc brakes - All-new Flat Mount disc brakes are more elegant, light, smaller, and cleaner than traditional disc brakes, providing superior performance and stopping power under harsh conditions12mm Thru-Axle - makes steering more precise for more control, and the quick-release feature makes wheel removal easy