2017 Norco Optic C7.1 Framekit vs 2015 Norco Fluid 7.3
The XS is the Norco Fluid 7.3 size closest to your XS Norco Optic C7.1 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 Norco Fluid 7.3
Compared with the Norco Optic C7.1 Framekit in XS, the Norco Fluid 7.3 in XS places the top of the head tube 5 mm lower and 4 mm further forward, relative to the bottom bracket.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- −1 mm
- About the same
- 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 C7.1 Framekit numbers we have for size XS are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Optic C7.1 Framekit XS | Norco Fluid 7.3 XS | Difference |
|---|---|---|---|
| Reach | 388 | 392 | +4 mm |
| Stack | 575 | 570 | −5 mm |
| Head tube angle | 68 | 68.5 | +0.5° |
| Seat tube angle | 75.9 | 74.5 | −1.4° |
| Wheelbase | 1080 | 1079 | −1 mm |
| BB height | 334 | 332 | −2 mm |
| Head tube length | 99 | 100 | +1 mm |
| Seat tube length | not listed | 380 |
Differences are the Norco Fluid 7.3 minus the Norco Optic C7.1 Framekit. Full charts: 2017 Norco Optic C7.1 Framekit, 2015 Norco Fluid 7.3.
Where each sits in its class
Norco Optic C7.1 FramekitNorco Fluid 7.3
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 Optic C7.1 Framekit | Norco Fluid 7.37.3 |
|---|---|---|
| Fork | not listed | RockShox XC-30 TK solo air |
| Shifter | not listed | Shimano Deore M4000 rapid fire 3 sp |
| Derailleur | not listed | Shimano 9 speed Deore RD Shadow type |
| Cassette | not listed | Shimano CS HG 20 9 speed |
| Chain | not listed | KMC Z-99 chain |
| Crankset | not listed | SR Suntour XCR 44/32/22T with octalink |
| Tire | not listed | WTB Beeline 650Bx2.2 |
| Rim | not listed | WTB SX19 Double Wall |
| Brake | not listed | Shimano Acera M355 |
| Grips | not listed | Norco MTB gator design trail grip |
| Saddle | not listed | WTB Volt Sport SE XC trail saddle |
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