2020 Specialized Stumpjumper ST Alloy 29 vs 2021 Specialized Fuse Comp 29

What changes on the Specialized Fuse Comp 29

Compared with the Specialized Stumpjumper ST Alloy 29 in M, the Specialized Fuse Comp 29 in XS places the top of the head tube 6 mm higher and 25 mm further back, relative to the bottom bracket. Its wheelbase is 49 mm shorter, which can contribute to quicker direction changes.

Frame stack

+6 mm

Higher front end

Frame reach

−25 mm

Shorter frame reach

Wheelbase

−49 mm

Shorter: quicker to change direction

Head angle

±0.0°

About the same head angle

Chainstays

n/a

One of the bikes has no number for this

The two frames

Only the Specialized Stumpjumper ST Alloy 29 is drawn. The Specialized Fuse Comp 29 numbers we have for size XS are missing the chainstay length.

Geometry side by side

Differences are the Specialized Fuse Comp 29 minus the Specialized Stumpjumper ST Alloy 29. Full charts: 2020 Specialized Stumpjumper ST Alloy 29, 2021 Specialized Fuse Comp 29.

Where each sits in its class

Specialized Stumpjumper ST Alloy 29Specialized Fuse Comp 29

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.