Quiver

2017 Norco Optic A7.1 vs 2017 Norco Fluid FS 7.1

The Norco Fluid FS 7.1 size closest to your M is the L. Compare the L instead

What changes on the Norco Fluid FS 7.1

Compared with the Norco Optic A7.1 in M, the Norco Fluid FS 7.1 in XL places the top of the head tube 5 mm higher and 39 mm further forward, relative to the bottom bracket. Its wheelbase is 28 mm longer, which can contribute to stability at speed.

Frame stack
+5 mm
Higher front end
Frame reach
+39 mm
Longer frame reach
Wheelbase
+28 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper 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 A7.1 numbers we have for size M are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementNorco Optic A7.1 MNorco Fluid FS 7.1 XLDifference
Reach433472+39 mm
Stack593598+5 mm
Head tube angle6868.5+0.5°
Seat tube angle7574.5−0.5°
Wheelbase11421170+28 mm
BB height334332−2 mm
Head tube length117130+13 mm

Differences are the Norco Fluid FS 7.1 minus the Norco Optic A7.1. Full charts: 2017 Norco Optic A7.1, 2017 Norco Fluid FS 7.1.

Where each sits in its class

Norco Optic A7.1Norco Fluid FS 7.1

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 A7.1A7.1Norco Fluid FS 7.17.1
ForkFox 34 Float 650B 100x15mm PerformanceRockShox Recon RL Gold
Rear shockFox Float DPS Performane EVOLRockShox Monarch RL HVI
ShifterSRAM GX1 11spnot listed
DerailleurSRAM GXSRAM NX 11 speed RD
CassetteSRAM XG 1150 10-42TSRAM CS PG 1130 11-42T 11 speed
ChainSRAM PC 1130 11spSRAM PC 1110 11 speed
CranksetRace Face Affect w/32TSRAM NX 1 w/30T narrow/wide Powerspline
RimAlex Rims DP23 double wall 650B I23 tubeless compatibleWTB STP i25 TCS 27.5" tubeless ready rim"
BrakeSRAM Level TShimano Acera M365
HandlebarNorco 6061 DB alloy 760mmx25mmnot listed
GripsNorco Lock On GripNorco lock on grip w/Norco end plug
SeatpostKS E-Ten Integra Stealth w/remotenot listed
SaddleSDG Circuit Mtnnot listed
Bottom bracketnot listedSRAM Power Spline BB
Tirenot listedMaxxis Ardent 27.5x2.25

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