2017 Norco Optic C9.1 vs 2018 Specialized Camber Men's 27.5
The XL is the Specialized Camber Men's 27.5 size closest to your XL Norco Optic C9.1. 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 C9.1 in XL, the Specialized Camber Men's 27.5 in XL places the top of the head tube 9 mm lower and 11 mm further back, relative to the bottom bracket. Its wheelbase is 30 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −9 mm
- Lower front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −30 mm
- Shorter: quicker to change direction
- 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 C9.1 numbers we have for size XL are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Optic C9.1 XL | Specialized Camber Men's 27.5 XL | Difference |
|---|---|---|---|
| Reach | 486 | 475mm | −11 mm |
| Stack | 617 | 608mm | −9 mm |
| Head tube angle | 68.5 | 68° | −0.5° |
| Seat tube angle | 74.1 | 75° | +0.9° |
| Wheelbase | 1206 | 1176mm | −30 mm |
| BB height | 332 | not listed | |
| Head tube length | 112 | not listed | |
| Effective top tube | not listed | 638mm | |
| Chainstay length | not listed | 420mm | |
| BB drop | not listed | 23mm | |
| Standover | not listed | 767mm | |
| Seat tube length | not listed | 523mm | |
| Fork length | not listed | 522mm |
Differences are the Specialized Camber Men's 27.5 minus the Norco Optic C9.1. Full charts: 2017 Norco Optic C9.1, 2018 Specialized Camber Men's 27.5.
Where each sits in its class
Norco Optic C9.1Specialized 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 C9.1C9.1 | Specialized Camber Men's 27.5Men's 27.5 |
|---|---|---|
| Fork | Fox 34 Float 29 Boost 110x15mm Factory | RockShox Recon RL 27.5 |
| Shifter | SRAM X1 11sp | SRAM GX |
| Derailleur | SRAM XX1 | SRAM GX |
| Cassette | SRAM XG 1175 11sp 10-42T | not listed |
| Chain | SRAM PC X1 11sp | KMC X-10 |
| Crankset | Race Face Next SL carbon 32T | SRAM NX |
| Rim | DT Swiss XMC 1200 Carbon 29er wheelset | not listed |
| Brake | SRAM Guide Ultimate | Tektro Gemini Comp |
| Handlebar | Race Face Next Carbon | not listed |
| Stem | Race Face Turbine 35 | not listed |
| Grips | SDG ODI USA lock on grips | Specialized Sip Grip |
| Seatpost | RockShox Reverb Stealth | not listed |
| Saddle | SDG Circuit Mtn with chromoly rails | Specialized Henge Sport |
| Rear shock | not listed | X-Fusion Pro RL |
| Chainring | not listed | Specialized X-Sync |
| Bottom bracket | not listed | SRAM Power |
| Tire | not listed | Specialized Purgatory, Specialized Ground Control |
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