2025 Norco Optic C1 vs 2025 Marin Rift Zone XR
The L is the Marin Rift Zone XR size closest to your 4 Norco Optic C1. 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 Marin Rift Zone XR
Compared with the Norco Optic C1 in 4, the Marin Rift Zone XR in L places the top of the head tube at about the same height and 12 mm further back, relative to the bottom bracket. Its wheelbase is 25 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- −13 mm
- Shorter frame reach
- Wheelbase
- −25 mm
- Shorter: quicker to change direction
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Norco Optic C1, 4Marin Rift Zone XR, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Norco Optic C1 4 | Marin Rift Zone XR L | Difference |
|---|---|---|---|
| Reach | 497.5 | 485 | −13 mm |
| Stack | 635 | 637.3 | +2 mm |
| Head tube angle | 65.0 | 65.1 | +0.1° |
| Seat tube angle | 77.25 | 76.5 | −0.8° |
| Effective top tube | 641 | not listed | |
| Chainstay length | 433 | 430 | −3 mm |
| Wheelbase | 1259 | 1234.4 | −25 mm |
| BB drop | 32 | 35 | +3 mm |
| BB height | 346 | not listed | |
| Standover | 707 | 701.7 | −5 mm |
| Seat tube length | 430 | not listed | |
| Head tube length | 130 | not listed |
Differences are the Marin Rift Zone XR minus the Norco Optic C1. Full charts: 2025 Norco Optic C1, 2025 Marin Rift Zone XR.
Where each sits in its class
Norco Optic C1Marin Rift Zone XR
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 | Norco Optic C1C1 | Marin Rift Zone XRXR |
|---|---|---|
| Frame | Norco Optic | Marin Rift Zone |
| Fork | Fox 34 Factory | RockShox Lyrik Select |
| Rear shock | Fox Float X Factory | RockShox Super Deluxe Select+ |
| Shifter | SRAM Pod Controller Ultimate | SRAM GX Eagle AXS Rocker |
| Derailleur | SRAM X0 Eagle AXS | SRAM GX Eagle |
| Cassette | SRAM 1295 Eagle | SRAM GX Eagle |
| Chain | SRAM X0 Eagle | SRAM NX Eagle |
| Crankset | SRAM X0 Eagle | SRAM GX Eagle AXS |
| Chainring | SRAM 30t | not listed |
| Bottom bracket | SRAM DUB | SRAM DUB MTB 73mm |
| Wheelset | We Are One Faction | Marin aluminum double-wall, 29mm inner, 32H |
| Tire | Maxxis Minion DHF, Maxxis Disector | Maxxis Assegai |
| Hub | Industry Nine 1/1 | not listed |
| Rim | We Are One Faction | not listed |
| Brake | SRAM Code RSC | SRAM DB8 Stealth |
| Rotor | SRAM Centerline, SRAM CenterLine | SRAM DB8 |
| Handlebar | OneUp Components Carbon 35 | Marin Trail Bar |
| Stem | OneUp Components OneUp | not listed |
| Grips | Ergon GE1 | not listed |
| Headset | FSA No. 57 ZS | not listed |
| Dropper post | OneUp Components V3 | TranzX YSP23JL |
| Saddle | Ergon SM-1 | not listed |
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