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2021 Trek Fuel EX AL Gen 5 Frameset vs 2020 Trek Slash

The Trek Slash size closest to your ML is the L. Compare the L instead

What changes on the Trek Slash

Compared with the Trek Fuel EX AL Gen 5 Frameset in ML, the Trek Slash in ML places the top of the head tube 4 mm higher and 14 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.

Frame stack
+4 mm
Higher front end
Frame reach
−14 mm
Shorter frame reach
Wheelbase
+8 mm
Longer: steadier at speed
Head angle
−0.9°
Slacker: calmer steering
Chainstays
−3 mm
Shorter: livelier

The two frames

2021 Trek Fuel EX AL Gen 5 Frameset (ML)The Trek Fuel EX AL Gen 5 Frameset frame drawn to scale.J 1195

Only the Trek Fuel EX AL Gen 5 Frameset is drawn. The Trek Slash numbers we have for size ML are missing the seat angle.

Geometry side by side

MeasurementTrek Fuel EX AL Gen 5 Frameset MLTrek Slash MLDifference
Reach460446−14 mm
Stack609613+4 mm
Head tube angle66.5°65.6°−0.9°
Seat tube angle75.5°not listed
Effective top tube618611−7 mm
Chainstay length436433−3 mm
Wheelbase11951203+8 mm
BB drop2821−7 mm
BB height346352+6 mm
Standover751765+14 mm
Seat tube length435445+10 mm
Head tube length105105±0 mm

Differences are the Trek Slash minus the Trek Fuel EX AL Gen 5 Frameset. Full charts: 2021 Trek Fuel EX AL Gen 5 Frameset, 2020 Trek Slash.

Where each sits in its class

Trek Fuel EX AL Gen 5 FramesetTrek Slash

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 AL Gen 5 FramesetAL Gen 5 FramesetTrek Slash8
FrameTrek Alpha PlatinumTrek Alpha Platinum
StemBontrager LineBontrager Line
HeadsetTrek Knock BlockTrek Knock Block
Forknot listedRockShox Yari RC
Rear shocknot listedRockShox Deluxe RT3 RE:aktiv
Shifternot listedSRAM GX Eagle
Derailleurnot listedSRAM GX Eagle
Cassettenot listedSRAM GX Eagle
Chainnot listedSRAM GX Eagle
Cranksetnot listedTruVativ Descendant
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedBontrager Line Comp 30
Tirenot listedBontrager XR5
Brakenot listedSRAM Guide R
Rotornot listedSRAM Guide R
Handlebarnot listedBontrager Line
Seatpostnot listedBontrager Line
Saddlenot listedBontrager Arvada

Know what is on every bike.

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