Quiver

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

The XXL is the Revel Rascal Frame Kit size closest to your XXL Trek Fuel EX 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 Gen 6 in XXL, the Revel Rascal Frame Kit in XXL places the top of the head tube 10 mm higher and 24 mm further back, relative to the bottom bracket. Its wheelbase is 24 mm shorter, which can contribute to quicker direction changes.

Frame stack
+10 mm
Higher front end
Frame reach
−24 mm
Shorter frame reach
Wheelbase
−24 mm
Shorter: quicker to change direction
Head angle
−0.2°
About the same head angle
Chainstays
−12 mm
Shorter: livelier

The two frames

2025 Trek Fuel EX Gen 6 (XXL)The Trek Fuel EX Gen 6 frame drawn to scale.J 1322

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

Geometry side by side

MeasurementTrek Fuel EX Gen 6 XXLRevel Rascal Frame Kit XXLDifference
Reach551527mm−24 mm
Stack644654mm+10 mm
Head tube angle65.0°64.8°−0.2°
Seat tube angle76.5°not listed
Effective top tube695680mm−15 mm
Chainstay length448436mm−12 mm
Wheelbase13221298mm−24 mm
BB drop3031.2mm+1 mm
BB height343348mm+5 mm
Standover781762mm−19 mm
Seat tube length500475mm−25 mm
Head tube length135115mm−20 mm
Fork lengthnot listed566mm

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

Where each sits in its class

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

Know what is on every bike.

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