Quiver

2025 Trek Fuel EX 9.8 Gen 6 vs 2026 Norco Fluid A4

The L is the Norco Fluid A4 size closest to your L Trek Fuel EX 9.8 Gen 6. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Norco Fluid A4

Compared with the Trek Fuel EX 9.8 Gen 6 in L, the Norco Fluid A4 in L places the top of the head tube 18 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.

Frame stack
+18 mm
Higher front end
Frame reach
−11 mm
Shorter frame reach
Wheelbase
−4 mm
Shorter: quicker to change direction
Head angle
−0.1°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

2025 Trek Fuel EX 9.8 Gen 6 (L)The Trek Fuel EX 9.8 Gen 6 frame drawn to scale.J 1249

Only the Trek Fuel EX 9.8 Gen 6 is drawn. The Norco Fluid A4 numbers we have for size L are missing the seat angle and chainstay length.

Geometry side by side

MeasurementTrek Fuel EX 9.8 Gen 6 LNorco Fluid A4 LDifference
Reach491480−11 mm
Stack617635+18 mm
Head tube angle65.1°65−0.1°
Seat tube angle77.7°not listed
Effective top tube626not listed
Chainstay length438not listed
Wheelbase12491245−4 mm
BB drop3130−1 mm
BB height343348+5 mm
Standover754699−55 mm
Seat tube length435410−25 mm
Head tube length105130+25 mm

Differences are the Norco Fluid A4 minus the Trek Fuel EX 9.8 Gen 6. Full charts: 2025 Trek Fuel EX 9.8 Gen 6, 2026 Norco Fluid A4.

Where each sits in its class

Trek Fuel EX 9.8 Gen 6Norco Fluid A4

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartTrek Fuel EX 9.8 Gen 6Norco Fluid A4A4
Forknot listedRockShox Recon Silver
Rear shocknot listedX-Fusion 02 Pro R
Shifternot listedShimano Deore
Derailleurnot listedShimano Deore
Cassettenot listedSunRace CSMS8
Chainnot listedKMC X11
Cranksetnot listedFSA Comet
Bottom bracketnot listedSRAM DUB BB BSA Threaded
Wheelsetnot listedStan's NoTubes Flow D
Tirenot listedGoodyear Newton
Brakenot listedTektro HD-535
Handlebarnot listede*thirteen 800mm 20mm Rise
Stemnot listedNorco 6061 Alloy 40mm Length 35mm Clamp
Headsetnot listedSealed Bearing Tapered
Dropper postnot listedSDG Tellis Dropper
Saddlenot listedTrail

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