Checkpoint ALR F/S XL Bronze Age

Checkpoint ALR Frameset is the perfect starting point for your dream aluminum gravel bike. Its 300 Series Alpha Aluminum frame features Gravel Endurance geometry to keep you comfortable through long miles, and a full carbon fork keeps things lightweight. Build it up as a bikepacking rig or spec it for your ultimate alloy gravel race bike, the world is your oyster.Mounts galoreThe new Checkpoint ALR is equipped to carry everything you need with mounts on the frame and fork for front and rear racks, fenders, and Adventure Top Tube, Frame, and Triangle Bags. Plus, the new frame was optimized to fit extra hydration in addition to all your bags.Gravel Endurance geometryDesigned with Gravel Endurance geometry with a higher stack and shorter reach for improved comfort and control on long days in the saddle.Big 'ol tire clearanceDesigned with 50mm (or 29 x 2.0)* tire clearance for more grip and comfort on challenging terrain.*As measuredSuspension fork and dropper post compatibleCompatible with a suspension fork* and dropper post for riders tackling technical descents or seeking more aggressive off-road performance. *Available on all sizes except XS framesA better way to produce aluminumStarting in 2024, we began removing high-emission aluminum from our manufacturing and replacing it with low-emission aluminum made with renewable energy. By October 2025, nearly every alloy bike we make - this one included - had made the switch, driving a major drop in our footprint.Frame300 Series Alpha Aluminum, Internal cable routing, 3S chain keeper, T47, UDH, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm chamfered thru axleForkTrek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axleSkewer FrontBontrager Switch chamfered thru axleSkewer RearBontrager Switch chamfered thru axle, removable leverGeometry ChartB B Drop7.4Chainstay Length43.5Eff Top Tube60.4Frame Reach40.8Frame Size LetterXLFrame Stack65Head Angle72.6degHead Tube Length20.1Offset4.9Seat Tube57.5Seat Tube Angle72.1degStandover85.9Trail6.5Wheelbase107Wheel Size700c