2025 Kona Hei Hei vs 2023 Rocky Mountain Element C50
The M is the Rocky Mountain Element C50 size closest to your M Kona Hei Hei. 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 C50
Compared with the Kona Hei Hei in M, the Rocky Mountain Element C50 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 8 mm longer, which can contribute to stability at speed.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- +1 mm
- About the same
The two frames
Kona Hei Hei, MRocky Mountain Element C50, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Kona Hei Hei M | Rocky Mountain Element C50 M | Difference |
|---|---|---|---|
| Reach | 449 | 450 | +1 mm |
| Stack | 620 | 615 | −5 mm |
| Head tube angle | 66 | 65 | −1.0° |
| Seat tube angle | 76 | 76 | ±0.0° |
| Effective top tube | 605 | 605 | ±0 mm |
| Chainstay length | 435 | 436 | +1 mm |
| Wheelbase | 1194 | 1202 | +8 mm |
| BB drop | 31 | 36 | +5 mm |
| BB height | 341 | not listed | |
| Standover | 752 | 808 | +56 mm |
| Seat tube length | 410 | 420 | +10 mm |
| Head tube length | 120 | 115 | −5 mm |
Differences are the Rocky Mountain Element C50 minus the Kona Hei Hei. Full charts: 2025 Kona Hei Hei, 2023 Rocky Mountain Element C50.
Where each sits in its class
Kona Hei HeiRocky Mountain Element C50
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.
| Part | Kona Hei HeiHei Hei G10 | Rocky Mountain Element C50C50 |
|---|---|---|
| Frame | Kona Hei Hei | Rocky Mountain Element |
| Fork | Fox 34 Rhythm | Fox 34 Performance |
| Rear shock | Fox Float Rhythm | Fox Float DPS Performance |
| Shifter | SRAM Eagle 70 Transmission | Shimano XT |
| Derailleur | SRAM GX Eagle Transmission | Shimano XT Di2 Wireless |
| Cassette | SRAM Eagle Transmission | Shimano SLX |
| Chain | SRAM Eagle 70 Transmission | not listed |
| Crankset | SRAM Eagle | Race Face Aeffect |
| Bottom bracket | SRAM DUB PF92 Wide | not listed |
| Wheelset | Formula WTB ST | WTB ST Light i27 |
| Tire | Maxxis Dissector | Maxxis Rekon |
| Brake | SRAM Motive Bronze | Shimano SLX |
| Rotor | SRAM CenterLine | not listed |
| Handlebar | Kona XC/BC 35 | Rocky Mountain AM |
| Stem | Kona XC/BC | Rocky Mountain XC |
| Grips | Kona Key | not listed |
| Headset | FSA 57E | not listed |
| Dropper post | TranzX +RAD Internal | Rocky Mountain Toonie |
| Saddle | WTB Volt | WTB Silverado Race |
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