Quiver

2025 Trek Fuel EX 9.8 Gen 6 vs 2026 Revel Rascal Frame Kit

The M is the Revel Rascal Frame Kit size closest to your M 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 Revel Rascal Frame Kit

Compared with the Trek Fuel EX 9.8 Gen 6 in M, the Revel Rascal Frame Kit in M places the top of the head tube at about the same height and 6 mm further back, relative to the bottom bracket. Its wheelbase is 9 mm shorter, which can contribute to quicker direction changes.

Frame stack
+2 mm
About the same height
Frame reach
−6 mm
Shorter frame reach
Wheelbase
−9 mm
Shorter: quicker to change direction
Head angle
−0.3°
About the same head angle
Chainstays
+3 mm
Longer: more planted

The two frames

2025 Trek Fuel EX 9.8 Gen 6 (M)The Trek Fuel EX 9.8 Gen 6 frame drawn to scale.J 1212

Only the Trek Fuel EX 9.8 Gen 6 is drawn. The Revel Rascal Frame Kit numbers we have for size M are missing the seat angle.

Geometry side by side

MeasurementTrek Fuel EX 9.8 Gen 6 MRevel Rascal Frame Kit MDifference
Reach456450mm−6 mm
Stack612614mm+2 mm
Head tube angle65.1°64.8°−0.3°
Seat tube angle78.8°not listed
Effective top tube583605mm+22 mm
Chainstay length433436mm+3 mm
Wheelbase12121203mm−9 mm
BB drop3131.2mm+0 mm
BB height343348mm+5 mm
Standover744722mm−22 mm
Seat tube length410415mm+5 mm
Head tube length10096mm−4 mm
Fork lengthnot listed566mm

Differences are the Revel Rascal Frame Kit minus the Trek Fuel EX 9.8 Gen 6. Full charts: 2025 Trek Fuel EX 9.8 Gen 6, 2026 Revel Rascal Frame Kit.

Where each sits in its class

Trek Fuel EX 9.8 Gen 6Revel Rascal Frame Kit

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 6Revel Rascal Frame KitFrame Kit
Framenot listedRevel Rascal
Rear shocknot listedRockShox SDLX Ultimate
Headsetnot listedCane Creek 40 Series

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