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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 S places the top of the head tube at about the same height and 44 mm further back, relative to the bottom bracket. Its wheelbase is 24 mm shorter, which can contribute to quicker direction changes.

Frame stack
−1 mm
About the same height
Frame reach
−44 mm
Shorter frame reach
Wheelbase
−24 mm
Shorter: quicker to change direction
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 S are missing the seat angle.

Geometry side by side

MeasurementTrek Fuel EX AL Gen 5 Frameset MLTrek Slash SDifference
Reach460416−44 mm
Stack609608−1 mm
Head tube angle66.5°65.6°−0.9°
Seat tube angle75.5°not listed
Effective top tube618580−38 mm
Chainstay length436433−3 mm
Wheelbase11951171−24 mm
BB drop2821−7 mm
BB height346352+6 mm
Standover751746−5 mm
Seat tube length435394−41 mm
Head tube length105100−5 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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