Quiver

2023 Rocky Mountain Element C50 vs 2025 Kona Hei Hei

The Kona Hei Hei size closest to your M is the M. Compare the M instead

What changes on the Kona Hei Hei

Compared with the Rocky Mountain Element C50 in M, the Kona Hei Hei in XL places the top of the head tube 24 mm higher and 59 mm further forward, relative to the bottom bracket. Its wheelbase is 60 mm longer, which can contribute to stability at speed.

Frame stack
+24 mm
Higher front end
Frame reach
+59 mm
Longer frame reach
Wheelbase
+60 mm
Longer: steadier at speed
Head angle
+1.0°
Steeper: sharper steering
Chainstays
−1 mm
About the same

The two frames

2023 Rocky Mountain Element C50 (M) 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 1202

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

Geometry side by side

MeasurementRocky Mountain Element C50 MKona Hei Hei XLDifference
Reach450509+59 mm
Stack615639+24 mm
Head tube angle6566+1.0°
Seat tube angle7675.8−0.2°
Effective top tube605671+66 mm
Chainstay length436435−1 mm
Wheelbase12021262+60 mm
BB drop3631−5 mm
Standover808755−53 mm
Seat tube length420490+70 mm
Head tube length115140+25 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

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