2017 Norco Optic A7.1 vs 2018 Specialized Camber Men's 27.5
The S is the Specialized Camber Men's 27.5 size closest to your XS Norco Optic A7.1. 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 A7.1 in XS, the Specialized Camber Men's 27.5 in S places the top of the head tube 5 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +9 mm
- Longer: steadier at speed
- 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 Optic A7.1 numbers we have for size XS are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Optic A7.1 XS | Specialized Camber Men's 27.5 S | Difference |
|---|---|---|---|
| Reach | 388 | 399mm | +11 mm |
| Stack | 575 | 580mm | +5 mm |
| Head tube angle | 68 | 68° | ±0.0° |
| Seat tube angle | 75.9 | 75° | −0.9° |
| Wheelbase | 1080 | 1089mm | +9 mm |
| BB height | 334 | not listed | |
| Head tube length | 97 | 105mm | +8 mm |
| Effective top tube | not listed | 554mm | |
| Chainstay length | not listed | 420mm | |
| BB drop | not listed | 23mm | |
| Standover | not listed | 724mm | |
| Seat tube length | not listed | 396mm | |
| Fork length | not listed | 522mm |
Differences are the Specialized Camber Men's 27.5 minus the Norco Optic A7.1. Full charts: 2017 Norco Optic A7.1, 2018 Specialized Camber Men's 27.5.
Where each sits in its class
Norco Optic A7.1Specialized 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 A7.1A7.1 | Specialized Camber Men's 27.5Men's 27.5 |
|---|---|---|
| Fork | Fox 34 Float 650B 100x15mm Performance | RockShox Recon RL 27.5 |
| Rear shock | Fox Float DPS Performane EVOL | X-Fusion Pro RL |
| Shifter | SRAM GX1 11sp | SRAM GX |
| Derailleur | SRAM GX | SRAM GX |
| Cassette | SRAM XG 1150 10-42T | not listed |
| Chain | SRAM PC 1130 11sp | KMC X-10 |
| Crankset | Race Face Affect w/32T | SRAM NX |
| Rim | Alex Rims DP23 double wall 650B 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 Stealth w/remote | not listed |
| Saddle | SDG Circuit Mtn | Specialized Henge Sport |
| Chainring | not listed | Specialized X-Sync |
| Bottom bracket | not listed | SRAM Power |
| Tire | not listed | Specialized Purgatory, Specialized Ground Control |
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