2025 Kona Process vs 2026 Marin Rift Zone
The Marin Rift Zone size closest to your M is the M. Compare the M instead
What changes on the Marin Rift Zone
Compared with the Kona Process in M, the Marin Rift Zone in XL places the top of the head tube 27 mm higher and 60 mm further forward, relative to the bottom bracket. Its wheelbase is 66 mm longer, which can contribute to stability at speed.
- Frame stack
- +27 mm
- Higher front end
- Frame reach
- +60 mm
- Longer frame reach
- Wheelbase
- +66 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
We can't draw these frames yet. The Kona Process numbers we have for size M are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Kona Process M | Marin Rift Zone XL | Difference |
|---|---|---|---|
| Reach | 455 | 515 | +60 mm |
| Stack | 615 | 641.8 | +27 mm |
| Head tube angle | 65.5 | 65.5 | ±0.0° |
| Seat tube angle | 76.9 | 77 | +0.1° |
| Wheelbase | 1200 | 1266.3 | +66 mm |
| Seat tube length | 380 | 430 | +50 mm |
| Effective top tube | not listed | 663.2 | |
| Chainstay length | not listed | 430 | |
| BB drop | not listed | 35 | |
| BB height | not listed | 343 | |
| Standover | not listed | 700.5 | |
| Head tube length | not listed | 130 |
Differences are the Marin Rift Zone minus the Kona Process. Full charts: 2025 Kona Process, 2026 Marin Rift Zone.
Where each sits in its class
Kona ProcessMarin Rift Zone
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 | Kona Process134 | Marin Rift Zone2 |
|---|---|---|
| Frame | Kona Process | Marin Series 3 |
| Fork | RockShox Recon RL | Marzocchi Bomber Z2 |
| Rear shock | RockShox Deluxe Select | Marzocchi Bomber Air inline |
| Shifter | microSHIFT Advent X | Shimano Deore |
| Derailleur | microSHIFT Advent X | Shimano Deore |
| Cassette | microSHIFT Advent X | Shimano Deore M6100 |
| Crankset | FSA Comet | Marin Forged Alloy |
| Wheelset | Formula ST | Marin double-wall alloy, 29mm inner, 32-hole, tubeless-compatible |
| Tire | Maxxis Minion DHF, Maxxis Dissector | Maxxis Assegai, Maxxis Minion DHR II |
| Brake | SRAM Level | Tektro M5140 |
| Rotor | SRAM CenterLine | Tektro 180mm front, 160mm rear |
| Handlebar | Kona XC/BC 35 | Marin Mini-Riser |
| Stem | Kona XC/BC | Marin 3D |
| Dropper post | TranzX dropper internal routing | TranzX YSI60QL |
| Saddle | WTB Volt | Marin Speed Concept |
| Chain | not listed | KMC X12 |
| Chainring | not listed | Integrated Narrow Wide |
| Bottom bracket | not listed | External sealed cartridge |
| Hub | not listed | Shimano HB-MT501B, Shimano HF-MT500B |
| Rim | not listed | Marin double-wall alloy |
| Grips | not listed | Marin Grizzly |
| Headset | not listed | FSA NO.57E |
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