2017 Norco Optic C9.3 vs 2018 Specialized Camber Men's 27.5
The M is the Specialized Camber Men's 27.5 size closest to your S Norco Optic C9.3. 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 Specialized Camber Men's 27.5
Compared with the Norco Optic C9.3 in S, the Specialized Camber Men's 27.5 in M places the top of the head tube 11 mm lower and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- −11 mm
- Lower front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer 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 C9.3 numbers we have for size S are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Optic C9.3 S | Specialized Camber Men's 27.5 M | Difference |
|---|---|---|---|
| Reach | 414 | 425mm | +11 mm |
| Stack | 601 | 590mm | −11 mm |
| Head tube angle | 68.5 | 68° | −0.5° |
| Seat tube angle | 75.4 | 75° | −0.4° |
| Wheelbase | 1114 | 1119mm | +5 mm |
| BB height | 332 | not listed | |
| Head tube length | 95 | 115mm | +20 mm |
| Effective top tube | not listed | 583mm | |
| Chainstay length | not listed | 420mm | |
| BB drop | not listed | 23mm | |
| Standover | not listed | 728mm | |
| Seat tube length | not listed | 430mm | |
| Fork length | not listed | 522mm |
Differences are the Specialized Camber Men's 27.5 minus the Norco Optic C9.3. Full charts: 2017 Norco Optic C9.3, 2018 Specialized Camber Men's 27.5.
Where each sits in its class
Norco Optic C9.3Specialized Camber Men's 27.5
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 C9.3C9.3 | Specialized Camber Men's 27.5Men's 27.5 |
|---|---|---|
| Fork | RockShox Revelation RL 100x15mm | RockShox Recon RL 27.5 |
| Rear shock | Fox Float DPS Performane EVOL | X-Fusion Pro RL |
| Shifter | SRAM GX1 11sp | SRAM GX |
| Derailleur | SRAM GX1 | SRAM GX |
| Cassette | SRAM XG 1150 10-42T | not listed |
| Chain | SRAM PC 1130 11sp | KMC X-10 |
| Crankset | SRAM FC S-1000 32T | SRAM NX |
| Tire | Schwalbe Nobby Nic 29x2.35 DC front and rear | Specialized Purgatory, Specialized Ground Control |
| Rim | Alex Rims DP 23 29 I23 tubeless compatible | not listed |
| Brake | SRAM Level T | Tektro Gemini Comp |
| Handlebar | Norco 6061 DB alloy 760mmx25mm | not listed |
| Grips | Norco Lock On Grip | Specialized Sip Grip |
| Seatpost | KS E-Ten Integra adj post w / remote stealth | not listed |
| Saddle | SDG Circuit Mtn with steel rails | Specialized Henge Sport |
| Chainring | not listed | Specialized X-Sync |
| Bottom bracket | not listed | SRAM Power |
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