Trek has officially launched the Checkpoint ALR 5 Gen 3, bringing premium gravel features to you at an accessible price point. Packed with new features, the Gen 3 now accommodates 50mm tires, supports dropper posts and suspension forks up to 40mm of travel, and includes Trek's complete Adventure mounting system for bags and racks.

Trek has also refined the geometry with their Gravel Endurance design, creating a more upright riding position for all-day comfort. For riders entering the gravel market or looking to upgrade, the Checkpoint ALR Gen3 delivers genuine adventure capability without the premium price tag.

Feature Spotlight : Where Gen 3 Steps Up

50mm Tire Clearance Revolution

Going from 45mm to 50mm tire clearance doesn't sound like much, but the performance difference is immediately noticeable. Wider tires offer superior impact dampening, enhanced traction on loose surfaces, and improved stability under load during bikepacking.

The 50mm clearance allows you to optimize tire choice for specific conditions rather than being limited by frame constraints or mud clearance concerns. Whether you're navigating technical gravel sections or touring on mixed surfaces, that additional tire volume provides measurably better control and rider comfort in challenging terrain.

Dual Compatibility: Dropper + Suspension

The ALR 5 Gen 3's optimized geometry and internal routing accommodate both dropper posts and suspension forks up to 40mm travel, transforming gravel capability without compromising the bike's core identity.

Drop your saddle for technical descents and easier dismounting while the suspension soaks up chatter and maintains front-wheel contact on rough terrain. This dual compatibility means you can tackle morning coffee rides and afternoon singletrack with equal confidence.

Complete Adventure Ecosystem

The Checkpoint ALR 5 Gen 3 maintains full compatibility with Trek's Adventure Bag system, including top tube, frame, and triangle mounts for seamless gear integration. It shares the same carbon fork as the SL Gen 3, complete with three-pack mounts for additional storage flexibility. Standard rack and fender mounts ensure year-round versatility, whether you're commuting through winter or heading out on extended tours.

Essentially, you get the same comprehensive mounting ecosystem as the premium SL model but at a more accessible price point, proving that adventure capability doesn't have to break the bank.

Geometry and Comfort Focus

The geometry has been updated with a slightly shorter reach and a more upright position to help reduce fatigue on long rides while maintaining control for technical sections.

This geometry works for everyone, giving newer riders confidence on varied terrain and experienced cyclists the comfort they need for demanding routes. You get all-day riding comfort without sacrificing the bike handling precision that matters when things get sketchy.

Final Verdict: Your Next Gravel Bike Decision Just Got Easier

This latest addition to the Checkpoint lineup delivers incredible value—offering premium features without the premium price. With upgraded comfort, versatile tire clearance, and adventure-ready load capacity, it's built to handle everything from weekend rides to epic journeys.

Shop Now