Spartan Carbon GX 12sp

Available builds listed for this generation include the Carbon GX 12sp / GX12S and the Carbon XT 12sp LTD. Review coverage focuses primarily on the Carbon GX model, priced at $6,149 USD or €6,249, which places it in the competitive middle of the carbon enduro market rather than at the top end. That GX build uses a Fox Float X2 Performance Elite shock, a Fox 38 Performance fork with 170mm travel, SRAM Code R brakes, and a SRAM GX 12-speed drivetrain. Pinkbike notes that LTD models use a 180mm fork, marking a meaningful distinction for riders who want a slightly more gravity-biased front end.

The standout spec choice across reviews was Devinci’s decision to fit proper aggressive tires from the outset: a Maxxis Assegai / DHR II combo in DoubleDown casing with MaxxGrip rubber. Reviewers repeatedly highlighted that as a race-ready choice many brands avoid at this price. More broadly, the GX build was considered strong value because the important parts match the bike’s intent: stout suspension, powerful brakes, and burly tires rather than lightweight compromises. Reviewers did note a few places where riders might eventually upgrade—such as moving beyond the Fox GRIP damper or improving brake lever feel—but the consensus was that the stock bike is ready for serious enduro riding without immediate changes.

Reviewers were largely aligned on the Spartan HP’s core character: it is exceptionally composed when trails get fast, rough, and physically demanding. Pinkbike said “the chunkier the trail the better,” describing a glued-to-the-ground feel and strong confidence on hard landings. BikeRadar similarly found it “extremely smooth, composed and controlled” in rough descending, with suspension performance that combined small-bump sensitivity, mid-stroke support, and deep-stroke control. Freehub also praised its plushness and noted that, despite its stout build, it could still feel lively and surprisingly manageable in tighter terrain.

The more nuanced discussion centered on agility, climbing, and setup. Pinkbike felt the bike could seem sluggish on flatter or rolling trails and took more effort to pump or jump, while BikeRadar and Freehub both argued it was more maneuverable than many high-pivot bikes, with BikeRadar specifically noting it was easy to change direction quickly. On climbs, reviewers agreed it is not especially light or eager, with its roughly 36 lb weight and very aggressive DoubleDown MaxxGrip tires making themselves known. BikeRadar also criticized the effective seated position, saying the seat angle could feel too slack on steeper climbs, and suggested a smaller chainring would help. Suspension setup mattered as well: BikeRadar found the stock damping overdamped and preferred running adjusters fully open with more sag, whereas Freehub was impressed by the plush stock tune. The overall verdict was consistent: a highly capable, race-ready enduro bike with standout descending performance, but one that rewards aggressive riding and careful setup more than casual trail use.