Quiver

2017 Norco Optic A7.2 vs 2019 Trek Fuel EX 9.9 29

The XL is the Trek Fuel EX 9.9 29 size closest to your XL Norco Optic A7.2. 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 A7.2 in XL, the Trek Fuel EX 9.9 29 in XL places the top of the head tube at about the same height and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.

Frame stack
±0 mm
About the same height
Frame reach
+9 mm
Longer frame reach
Wheelbase
+9 mm
Longer: steadier at speed
Head angle
−0.3°
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 A7.2 numbers we have for size XL are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementNorco Optic A7.2 XLTrek Fuel EX 9.9 29 XLDifference
Reach478487+9 mm
Stack612612±0 mm
Head tube angle6867.7°−0.3°
Seat tube angle74.174.7°+0.6°
Wheelbase12051214+9 mm
BB height334344+10 mm
Head tube length137110−27 mm
Effective top tubenot listed657
Chainstay lengthnot listed432
BB dropnot listed30
Standovernot listed747
Seat tube lengthnot listed510

Differences are the Trek Fuel EX 9.9 29 minus the Norco Optic A7.2. Full charts: 2017 Norco Optic A7.2, 2019 Trek Fuel EX 9.9 29.

Where each sits in its class

Norco Optic A7.2Trek 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 A7.2A7.2Trek Fuel EX 9.9 299.9 29
ForkRockShox Sektor TK 100x15mm SilverFox 34 FLOAT Factory
Rear shockFox Float DPS Performane EVOLnot listed
ShifterSRAM GX1 11spSRAM X01 Eagle
DerailleurSRAM GXSRAM X01 Eagle
CassetteSRAM XG 1150 10-42TSRAM GX Eagle
ChainSRAM PC 1130 11spSRAM GX Eagle
CranksetSRAM FC S-1000 w/32TSRAM X01 Eagle
RimAlex Rims DP23 double wall 650B I23 tubeless compatiblenot listed
HandlebarNorco 6061 DB alloy 760mmx25mmBontrager Line
GripsNorco Lock On Gripnot listed
SaddleSDG Circuit MtnBontrager Arvada
Framenot listedTrek OCLV
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedBontrager Line
Tirenot listedBontrager XR4 Team Issue
Brakenot listedShimano XT M8020 4-piston
Stemnot listedBontrager Line
Headsetnot listedTrek Knock Block
Seatpostnot listedBontrager Line

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