2015 Norco Fluid 7.3 vs 2017 Norco Optic A9.2
The M is the Norco Optic A9.2 size closest to your L Norco Fluid 7.3. 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 Norco Optic A9.2
Compared with the Norco Fluid 7.3 in L, the Norco Optic A9.2 in M places the top of the head tube 7 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −4 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 Fluid 7.3 numbers we have for size L are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Fluid 7.3 L | Norco Optic A9.2 M | Difference |
|---|---|---|---|
| Reach | 452 | 441 | −11 mm |
| Stack | 591 | 598 | +7 mm |
| Head tube angle | 68.5 | 68.5 | ±0.0° |
| Seat tube angle | 74.5 | 74.9 | +0.4° |
| Wheelbase | 1148 | 1144 | −4 mm |
| BB height | 332 | 332 | ±0 mm |
| Seat tube length | 470 | not listed | |
| Head tube length | 122 | not listed |
Differences are the Norco Optic A9.2 minus the Norco Fluid 7.3. Full charts: 2015 Norco Fluid 7.3, 2017 Norco Optic A9.2.
Where each sits in its class
Norco Fluid 7.3Norco Optic A9.2
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.
| Part | Norco Fluid 7.37.3 | Norco Optic A9.2A9.2 |
|---|---|---|
| Fork | RockShox XC-30 TK solo air | RockShox Sektor TK 29 100x15mm Silver |
| Shifter | Shimano Deore M4000 rapid fire 3 sp | SRAM GX1 11sp |
| Derailleur | Shimano 9 speed Deore RD Shadow type | SRAM GX |
| Cassette | Shimano CS HG 20 9 speed | SRAM XG 1150 10-42T |
| Chain | KMC Z-99 chain | SRAM PC 1130 11sp |
| Crankset | SR Suntour XCR 44/32/22T with octalink | SRAM FC S-1000 w/32T |
| Tire | WTB Beeline 650Bx2.2 | not listed |
| Rim | WTB SX19 Double Wall | Alex Rims DP23 double wall 29er I23 tubeless compatible |
| Brake | Shimano Acera M355 | not listed |
| Grips | Norco MTB gator design trail grip | Norco Lock On Grip |
| Saddle | WTB Volt Sport SE XC trail saddle | SDG Circuit Mtn |
| Rear shock | not listed | Fox Float DPS Performane EVOL |
| Handlebar | not listed | Norco 6061 DB alloy 760mmx25mm |
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