As I followed a friend down a flow-y, undulating single-track trail, I started laughing. Unlike my mountain bike-riding companion, I was on a gravel bike, the new Trek Checkpoint SL 7 AXS Gen 3. You might be wondering why a review of a gravel bike is starting with such a ride. The answer is simple—the Checkpoint had excelled everywhere else I rode it, so I was curious to see how it would fare on a non-technical MTB track. Amazingly well, as it turns out.
Unlike every other bike Ars has reviewed to this point, the Checkpoint SL 7 Gen 3 has no battery and no motor—there’s no e- in this bike. As is the case with our other bike reviews, sometimes we ask for a specific model, but manufacturers tend to contact us when we’ve already got a garage full of bikes we’ve not finished the reviews for (there are currently 12 bikes in my garage, some of which belong to other family members).
Launched in 2018, the Checkpoint is Trek’s gravel-centric bike. For 2025, Trek has split its gravel lineup into the third-generation Checkpoint Trek and the Checkmate SLR 9 AXS. The latter features a lighter-weight frame, a power meter, and SRAM’s new Red XPLR groupset. Selling for $11,999, the Checkmate is a gravel racer. Priced several thousand less at $5,699, the Checkpoint SL 7 AXS is now Trek’s top gravel bike for those looking for a fun day out on the trails.
With the Gen 3 Checkpoint, Trek has added mounts all over the frame, tweaked the geometry to make it more comfortable for long rides, improved ride comfort by reworking the rear IsoSpeed decoupler (which softens the bumpiness from rough trails and pavement), and increased the tire clearance to 50 mm (42 mm with fenders). Trek uses three different types of carbon on its drop handlebar bikes. The top-of-the-line OCLV 900 shows up on the racing-focused Madone road bike, while the OCLV 800 is used in the Domane endurance bike lineup as well as the Checkmate. The SL 7 uses Trek’s 500 Series OCLV carbon, and the bike weighs in at 19.85 lb (9.0 kg)—about 100 g heavier than the Gen 2. The drivetrain comes from SRAM, with a SRAM Force XPLR AXS D2 groupset.
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