Quiver

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

2021 Norco Optic C3 (M)The Norco Optic C3 frame drawn to scale.J 1196

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

MeasurementNorco Optic C3 MRocky Mountain Element C90 MDifference
Reach450450±0 mm
Stack620615−5 mm
Head tube angle65.065.0±0.0°
Seat tube angle76.076.0±0.0°
Effective top tube605not listed
Chainstay length430not listed
Wheelbase11961202+6 mm
BB height337not listed
Standover680808+128 mm
Seat tube length415not listed
Head tube length110not listed
BB dropnot listed47

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

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartNorco Optic C3C3Rocky Mountain Element C90C90
ForkRockShox Pike RC SelectFox 34 Performance
Rear shockRockShox Super Deluxe DH Custom RC UltimateFox Float DPS Factory
ShifterShimano SLX SL-M7100-IR I-Spec EVShimano XTR M9250
DerailleurShimano XT M8100Shimano XTR
CassetteShimano SLXShimano XTR
ChainShimano Deorenot listed
CranksetShimano FC-MT6100-1not listed
Bottom bracketShimano MT500 PF92not listed
BrakeShimano MT420Shimano XTR
RotorShimano SM-RT64not listed
HandlebarTranzX Butted 6061 AlloyRace Face NEXT
Dropper postX-Fusion Manic DropperFox Transfer Factory
Saddlefizik Alpaca Terranot listed
Framenot listedRocky Mountain Element
Tirenot listedMaxxis Rekon WT
Headsetnot listedFSA Orbit NO.57E

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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