2017 Norco Optic A9.2 vs 2019 Trek Fuel EX 9.9 29

What changes on the Trek Fuel EX 9.9 29

Compared with the Norco Optic A9.2 in M, the Trek Fuel EX 9.9 29 in XL places the top of the head tube 14 mm higher and 46 mm further forward, relative to the bottom bracket. Its wheelbase is 70 mm longer, which can contribute to stability at speed.

Frame stack

+14 mm

Higher front end

Frame reach

+46 mm

Longer frame reach

Wheelbase

+70 mm

Longer: steadier at speed

Head angle

−0.8°

Slacker: calmer steering

Chainstays

n/a

One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Norco Optic A9.2 numbers we have for size M are missing the chainstay length. The numbers below still compare.

Geometry side by side

Differences are the Trek Fuel EX 9.9 29 minus the Norco Optic A9.2. Full charts: 2017 Norco Optic A9.2, 2019 Trek Fuel EX 9.9 29.

Where each sits in its class

Norco Optic A9.2Trek Fuel EX 9.9 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.