2021 Norco Optic C1 vs 2023 Specialized Stumpjumper Comp
The S5 is the Specialized Stumpjumper Comp size closest to your L Norco Optic C1. 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 Stumpjumper Comp
Compared with the Norco Optic C1 in L, the Specialized Stumpjumper Comp in S5 places the top of the head tube 12 mm higher and 20 mm further forward, relative to the bottom bracket. Its wheelbase is 33 mm longer, which can contribute to stability at speed.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- +20 mm
- Longer frame reach
- Wheelbase
- +33 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +7 mm
- Longer: more planted
The two frames
Norco Optic C1, LSpecialized Stumpjumper Comp, S5Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Norco Optic C1 L | Specialized Stumpjumper Comp S5 | Difference |
|---|---|---|---|
| Reach | 480 | 500mm | +20 mm |
| Stack | 629 | 641mm | +12 mm |
| Head tube angle | 65.0 | 65° | ±0.0° |
| Seat tube angle | 76.0 | 76° | ±0.0° |
| Effective top tube | 637 | not listed | |
| Chainstay length | 435 | 442mm | +7 mm |
| Wheelbase | 1235 | 1268mm | +33 mm |
| BB height | 337 | 333mm | −4 mm |
| Standover | 698 | 757mm | +59 mm |
| Seat tube length | 445 | 445mm | ±0 mm |
| Head tube length | 120 | 130mm | +10 mm |
| BB drop | not listed | 42mm | |
| Fork length | not listed | 550mm |
Differences are the Specialized Stumpjumper Comp minus the Norco Optic C1. Full charts: 2021 Norco Optic C1, 2023 Specialized Stumpjumper Comp.
Where each sits in its class
Norco Optic C1Specialized Stumpjumper Comp
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 C1C1 | Specialized Stumpjumper CompComp |
|---|---|---|
| Fork | Fox 36 Grip2 FLOAT Performance Elite | Fox FLOAT 34 Factory |
| Rear shock | Fox Float DPX2 Performance Elite | Fox Float DPS Performance |
| Shifter | Shimano XTR M9100 I-Spec | SRAM GX |
| Derailleur | Shimano XTR M9100 | SRAM GX Eagle |
| Cassette | Shimano XTR M9100 | SRAM GX Eagle |
| Chain | Shimano XTR M9100 | SRAM NX Eagle |
| Crankset | e*thirteen TRS Race Carbon | SRAM X1 Eagle |
| Brake | Shimano XTR | SRAM G2 RS |
| Rotor | Shimano XTR MT900 Freeza | SRAM G2 |
| Dropper post | X-Fusion Manic Dropper | not listed |
| Saddle | fizik Alpaca Terra | Specialized Bridge |
| Frame | not listed | Specialized FACT 11m |
| Chainring | not listed | SRAM X1 Eagle |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Specialized 29 Alloy |
| Tire | not listed | Specialized Butcher, Specialized Purgatory |
| Handlebar | not listed | Specialized alloy |
| Stem | not listed | Specialized Alloy Trail |
| Seatpost | not listed | X-Fusion Manic |
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