Quiver

2023 Rocky Mountain Element C50 vs 2025 Kona Hei Hei

The XL is the Kona Hei Hei size closest to your XL Rocky Mountain Element C50. 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 Kona Hei Hei

Compared with the Rocky Mountain Element C50 in XL, the Kona Hei Hei in XL places the top of the head tube 6 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.

Frame stack
+6 mm
Higher front end
Frame reach
+4 mm
Longer frame reach
Wheelbase
−3 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
−1 mm
About the same

The two frames

2023 Rocky Mountain Element C50 (XL) and 2025 Kona Hei Hei (XL), lined up at the bottom bracketBoth frames drawn to scale. The Rocky Mountain Element C50 is drawn in full with its measurements, and the Kona Hei Hei is the colored outline on top.J 1265

Rocky Mountain Element C50, XLKona Hei Hei, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementRocky Mountain Element C50 XLKona Hei Hei XLDifference
Reach505509+4 mm
Stack633639+6 mm
Head tube angle6566+1.0°
Seat tube angle7675.8−0.2°
Effective top tube664671+7 mm
Chainstay length436435−1 mm
Wheelbase12651262−3 mm
BB drop3631−5 mm
Standover804755−49 mm
Seat tube length480490+10 mm
Head tube length135140+5 mm
BB heightnot listed341

Differences are the Kona Hei Hei minus the Rocky Mountain Element C50. Full charts: 2023 Rocky Mountain Element C50, 2025 Kona Hei Hei.

Where each sits in its class

Rocky Mountain Element C50Kona Hei Hei

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other XC 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.

PartRocky Mountain Element C50C50Kona Hei HeiHei Hei G10
FrameRocky Mountain ElementKona Hei Hei
ForkFox 34 PerformanceFox 34 Rhythm
Rear shockFox Float DPS PerformanceFox Float Rhythm
ShifterShimano XTSRAM Eagle 70 Transmission
DerailleurShimano XT Di2 WirelessSRAM GX Eagle Transmission
CassetteShimano SLXSRAM Eagle Transmission
CranksetRace Face AeffectSRAM Eagle
WheelsetWTB ST Light i27Formula WTB ST
TireMaxxis RekonMaxxis Dissector
BrakeShimano SLXSRAM Motive Bronze
HandlebarRocky Mountain AMKona XC/BC 35
StemRocky Mountain XCKona XC/BC
Dropper postRocky Mountain ToonieTranzX +RAD Internal
SaddleWTB Silverado RaceWTB Volt
Chainnot listedSRAM Eagle 70 Transmission
Bottom bracketnot listedSRAM DUB PF92 Wide
Rotornot listedSRAM CenterLine
Gripsnot listedKona Key
Headsetnot listedFSA 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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