Quiver

2017 Norco Optic C9.1 Framekit vs 2019 Trek Fuel EX 9.9 29

The L is the Trek Fuel EX 9.9 29 size closest to your L Norco Optic C9.1 Framekit. 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 Trek Fuel EX 9.9 29

Compared with the Norco Optic C9.1 Framekit in L, the Trek Fuel EX 9.9 29 in L places the top of the head tube 4 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.

Frame stack
−4 mm
Lower front end
Frame reach
+1 mm
About the same reach
Wheelbase
+13 mm
Longer: steadier at speed
Head angle
−0.8°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Norco Optic C9.1 Framekit numbers we have for size L are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementNorco Optic C9.1 Framekit LTrek Fuel EX 9.9 29 LDifference
Reach464465+1 mm
Stack607603−4 mm
Head tube angle68.567.7°−0.8°
Seat tube angle74.574.7°+0.2°
Wheelbase11751188+13 mm
BB height332344+12 mm
Head tube length100100±0 mm
Effective top tubenot listed631
Chainstay lengthnot listed432
BB dropnot listed30
Standovernot listed737
Seat tube lengthnot listed470

Differences are the Trek Fuel EX 9.9 29 minus the Norco Optic C9.1 Framekit. Full charts: 2017 Norco Optic C9.1 Framekit, 2019 Trek Fuel EX 9.9 29.

Where each sits in its class

Norco Optic C9.1 FramekitTrek Fuel EX 9.9 29

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.

PartNorco Optic C9.1 FramekitTrek Fuel EX 9.9 299.9 29
Framenot listedTrek OCLV
Forknot listedFox 34 FLOAT Factory
Shifternot listedSRAM X01 Eagle
Derailleurnot listedSRAM X01 Eagle
Cassettenot listedSRAM GX Eagle
Chainnot listedSRAM GX Eagle
Cranksetnot listedSRAM X01 Eagle
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedBontrager Line
Tirenot listedBontrager XR4 Team Issue
Brakenot listedShimano XT M8020 4-piston
Handlebarnot listedBontrager Line
Stemnot listedBontrager Line
Headsetnot listedTrek Knock Block
Seatpostnot listedBontrager Line
Saddlenot listedBontrager Arvada

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