2021 Norco Optic C3 vs 2023 Rocky Mountain Element C90
The M is the Rocky Mountain Element C90 size closest to your M Norco Optic C3. 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 Rocky Mountain Element C90
Compared with the Norco Optic C3 in M, the Rocky Mountain Element C90 in M places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +6 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
Only the Norco Optic C3 is drawn. The Rocky Mountain Element C90 numbers we have for size M are missing the chainstay length.
Geometry side by side
| Measurement | Norco Optic C3 M | Rocky Mountain Element C90 M | Difference |
|---|---|---|---|
| Reach | 450 | 450 | ±0 mm |
| Stack | 620 | 615 | −5 mm |
| Head tube angle | 65.0 | 65.0 | ±0.0° |
| Seat tube angle | 76.0 | 76.0 | ±0.0° |
| Effective top tube | 605 | not listed | |
| Chainstay length | 430 | not listed | |
| Wheelbase | 1196 | 1202 | +6 mm |
| BB height | 337 | not listed | |
| Standover | 680 | 808 | +128 mm |
| Seat tube length | 415 | not listed | |
| Head tube length | 110 | not listed | |
| BB drop | not listed | 47 |
Differences are the Rocky Mountain Element C90 minus the Norco Optic C3. Full charts: 2021 Norco Optic C3, 2023 Rocky Mountain Element C90.
Where each sits in its class
Norco Optic C3Rocky Mountain Element C90
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 C3C3 | Rocky Mountain Element C90C90 |
|---|---|---|
| Fork | RockShox Pike RC Select | Fox 34 Performance |
| Rear shock | RockShox Super Deluxe DH Custom RC Ultimate | Fox Float DPS Factory |
| Shifter | Shimano SLX SL-M7100-IR I-Spec EV | Shimano XTR M9250 |
| Derailleur | Shimano XT M8100 | Shimano XTR |
| Cassette | Shimano SLX | Shimano XTR |
| Chain | Shimano Deore | not listed |
| Crankset | Shimano FC-MT6100-1 | not listed |
| Bottom bracket | Shimano MT500 PF92 | not listed |
| Brake | Shimano MT420 | Shimano XTR |
| Rotor | Shimano SM-RT64 | not listed |
| Handlebar | TranzX Butted 6061 Alloy | Race Face NEXT |
| Dropper post | X-Fusion Manic Dropper | Fox Transfer Factory |
| Saddle | fizik Alpaca Terra | not listed |
| Frame | not listed | Rocky Mountain Element |
| Tire | not listed | Maxxis Rekon WT |
| Headset | not listed | FSA Orbit NO.57E |
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