2026 Cannondale Treadwell vs 2027 Trek FX Sport SL

What changes on the Trek FX Sport SL

Compared with the Cannondale Treadwell in M, the Trek FX Sport SL in XL places the top of the head tube 68 mm higher and 31 mm further forward, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.

Frame stack

+68 mm

Higher front end

Frame reach

+31 mm

Longer frame reach

Wheelbase

+9 mm

Longer: steadier at speed

Head angle

+1.5°

Steeper: sharper steering

Chainstays

−18 mm

Shorter: livelier

The two frames

Only the Cannondale Treadwell is drawn. The Trek FX Sport SL numbers we have for size XL are missing the seat angle.

Geometry side by side

Differences are the Trek FX Sport SL minus the Cannondale Treadwell. Full charts: 2026 Cannondale Treadwell, 2027 Trek FX Sport SL.

Where each sits in its class

Cannondale TreadwellTrek FX Sport SL

Each bike is ranked against the other commuter 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.