Quiver

2017 Norco Optic C9.1 Framekit vs 2015 Norco Fluid 7.3

The Norco Fluid 7.3 size closest to your M is the L. Compare the L instead

What changes on the Norco Fluid 7.3

Compared with the Norco Optic C9.1 Framekit in M, the Norco Fluid 7.3 in XS places the top of the head tube 28 mm lower and 49 mm further back, relative to the bottom bracket. Its wheelbase is 65 mm shorter, which can contribute to quicker direction changes.

Frame stack
−28 mm
Lower front end
Frame reach
−49 mm
Shorter frame reach
Wheelbase
−65 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
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 M are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementNorco Optic C9.1 Framekit MNorco Fluid 7.3 XSDifference
Reach441392−49 mm
Stack598570−28 mm
Head tube angle68.568.5±0.0°
Seat tube angle74.974.5−0.4°
Wheelbase11441079−65 mm
BB height332332±0 mm
Head tube length92100+8 mm
Seat tube lengthnot listed380

Differences are the Norco Fluid 7.3 minus the Norco Optic C9.1 Framekit. Full charts: 2017 Norco Optic C9.1 Framekit, 2015 Norco Fluid 7.3.

Where each sits in its class

Norco Optic C9.1 FramekitNorco Fluid 7.3

AggressivePositionUpright
CalmSteeringQuick

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 FramekitNorco Fluid 7.37.3
Forknot listedRockShox XC-30 TK solo air
Shifternot listedShimano Deore M4000 rapid fire 3 sp
Derailleurnot listedShimano 9 speed Deore RD Shadow type
Cassettenot listedShimano CS HG 20 9 speed
Chainnot listedKMC Z-99 chain
Cranksetnot listedSR Suntour XCR 44/32/22T with octalink
Tirenot listedWTB Beeline 650Bx2.2
Rimnot listedWTB SX19 Double Wall
Brakenot listedShimano Acera M355
Gripsnot listedNorco MTB gator design trail grip
Saddlenot listedWTB Volt Sport SE XC trail saddle

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