The Checkpoint ALR Frameset is a platform for building a gravel bike. It features light, sturdy 300 Series Alpha Aluminum tubes and a full carbon fork. The progressive geometry offers stable performance at speed and efficiency on climbs. This frameset is suitable for off-road adventures and bikepacking tours. The frame includes internal cable routing, a 3S chain keeper, and a T47 bottom bracket. Rack, fender, and integrated frame bag mounts provide versatility for gear. It offers clearance for tires up to 45c (700x45mm or 27.5x2.1"), enhancing traction and stability. The design supports flat mount disc brakes. Quick Facts Feature Specification Frame Material 300 Series Alpha Aluminum Fork Material Full Carbon Max Tire Clearance 700x45mm / 27.5x2.1" Bottom Bracket T47 Rear Axle 142x12mm Thru Axle Front Axle 12x100mm Thru Axle
