2025 Trek Fuel EXe 9.9 vs 2027 Specialized Turbo Levo 4 Comp

What changes on the Specialized Turbo Levo 4 Comp

Compared with the Trek Fuel EXe 9.9 in M, the Specialized Turbo Levo 4 Comp in S4 places the top of the head tube 14 mm higher and 19 mm further forward, relative to the bottom bracket. Its wheelbase is 39 mm longer, which can contribute to stability at speed.

Frame stack

+14 mm

Higher front end

Frame reach

+19 mm

Longer frame reach

Wheelbase

+39 mm

Longer: steadier at speed

Head angle

−1.1°

Slacker: calmer steering

Chainstays

−4 mm

Shorter: livelier

The two frames

Only the Trek Fuel EXe 9.9 is drawn. The Specialized Turbo Levo 4 Comp numbers we have for size S4 are missing the seat angle.

Geometry side by side

Differences are the Specialized Turbo Levo 4 Comp minus the Trek Fuel EXe 9.9. Full charts: 2025 Trek Fuel EXe 9.9, 2027 Specialized Turbo Levo 4 Comp.

Where each sits in its class

Trek Fuel EXe 9.9Specialized Turbo Levo 4 Comp

Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.