Velopedia Bicycle Archive
2026 Marin Rift Zone 2
Original specifications: 27.5"; 29" wheels · geometry for 4 published sizes.
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At a glance
- Model year
- 2026
- Category
- Mountain
- Original MSRP
- $2,299.00
- Sizes
- S, M, L, XL
- Colors
- Blue Dark Blue
- Geometry
- 4 manufacturer sizes
- In this record
- 23 specifications · 4 archived images · original MSRP · geometry
- Archive ID
- 900000031
Original buildAluminum · 27.5"; 29"
Frameset
| Frame Construction | Series 3 6061 Aluminum Frame, 29” Wheels, 130mm Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs |
|---|---|
| Frame Material | Aluminum |
| Fork | Marzocchi Bomber Z2 29", Rail Damper with Sweep Adjustment, 140mm Travel, Kabolt Bolt-On Axle, 44mm Offset |
| Rear Shock | Marzocchi Bomber Air Inline, Custom Tune, 210x55mm, 25xM8 Upper & Lower Mount |
Drivetrain
| Shifters | Shimano Deore, 12-Speed, SL-M6100-R |
|---|---|
| Rear Derailleur | Shimano Deore, 12-Speed, SGS |
| Crankset | Marin Forged Alloy, Integrated Steel 30T Narrow Wide Chainring, 170mm Crank Length, Boost Spacing |
| Bottom Bracket | External Sealed Cartridge Bearing |
| BB Shell Width | 73 mm |
| Cassette | Shimano, Deore M6100, 12-Speed, 10-51T |
| Chain | KMC X-12 Silver and Black |
Brakes
| Brakes | (F) Tektro M5140 Hydraulic, 200mm Rotor / (R) Tektro M5140 Hydraulic, 180mm Rotor; Levers: Tektro M5140 Hydraulic |
|---|
Cockpit & Contact Points
| Headset | FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” |
|---|---|
| Handlebar | Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 40mm Rise, 5º Up, 9º Back |
| Stem | Marin 3D Forged Alloy, 55mm |
| Saddle | Marin Speed Concept |
| Seatpost | Tranz-X YSI60QL Dropper Post, Adjustable Travel, 30.9mm Diameter, S = 150MM / M = 170MM / L-XL = 200MM |
Wheels & Tires
| Hubs | (F) Shimano HF-MT500B, 110x15mm, Centerlock / (R) Shimano HB-MT501B, 148x12mm, Centerlock, Micro Spline Freehub Body |
|---|---|
| Rims | Marin, Double Wall Alloy, 29mm Inner, Pinned Joint, Disc Specific, 32H, Tubeless Compatible |
| Spokes | 14g Black Stainless Steel |
| Front Tire | Maxxis Assegai MAXX GRIP, 2.5" EXO+ |
| Rear Tire | Maxxis Minion DHR II, MAXXTERRA, 2.5" EXO+, Tubeless compatible |
| Wheel Size | 27.5"; 29" |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 16 measurements
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 390 mm | 400 mm | 425 mm | 430 mm |
| Effective top tube | 568.7 mm | 589.7 mm | 632.1 mm | 663.2 mm |
| Head tube | 120 mm | 125 mm | 125 mm | 130 mm |
| Head-tube angle | 65.5° | 65.5° | 65.5° | 65.5° |
| Seat-tube angle | 77° | 77° | 77° | 77° |
| Chainstay / rear center | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1164.8 mm | 1186.9 mm | 1234.4 mm | 1266.3 mm |
| Bottom-bracket drop | 20 mm | 20 mm | 35 mm | 35 mm |
| Bottom-bracket height | 339 mm | 339 mm | 343 mm | 343 mm |
| Reach | 430 mm | 450 mm | 485 mm | 515 mm |
| Stack | 600.7 mm | 605.2 mm | 637.3 mm | 641.8 mm |
| Standover height | 677.8 mm | 687.8 mm | 701.7 mm | 700.5 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Crank length | 170 mm | 170 mm | — | — |
| Stem length | 35 mm | 35 mm | — | — |
| Handlebar width | 780 mm | 780 mm | 780 mm | 780 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

Shimano Deore 12 CS-M6100 Cassette Silver, 10-51T
10-51T

Shimano Deore RD-M7200 Rear Derailleur Max 51t, Min 10t, 12-Speed
12-Speed
More parts (2)
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 23 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2026 Marin Rift Zone 2 · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: Series 3 6061 Aluminum Frame, 29” Wheels, 130mm Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs · Fork: Marzocchi Bomber Z2 29", Rail Damper with Sweep Adjustment, 140mm Travel, Kabolt Bolt-On Axle, 44mm Offset
Suspension
Evaluate the suspension →Archived: Fork: Marzocchi Bomber Z2 29", Rail Damper with Sweep Adjustment, 140mm Travel, Kabolt Bolt-On Axle, 44mm Offset · Rear shock: Marzocchi Bomber Air Inline, Custom Tune, 210x55mm, 25xM8 Upper & Lower Mount
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Deore, 12-Speed, SL-M6100-R · Rear derailleur: Shimano Deore, 12-Speed, SGS · Crankset: Marin Forged Alloy, Integrated Steel 30T Narrow Wide Chainring, 170mm Crank Length, Boost Spacing · Bottom bracket: External Sealed Cartridge Bearing · Cassette: Shimano, Deore M6100, 12-Speed, 10-51T · Chain: KMC X-12 Silver and Black
Brakes
Inspect the brakes →Archived: Brakes: (F) Tektro M5140 Hydraulic, 200mm Rotor / (R) Tektro M5140 Hydraulic, 180mm Rotor; Levers: Tektro M5140 Hydraulic
Wheels and tires
Check wheels and tires →Archived: Wheel size: 27.5"; 29" · Rims: Marin, Double Wall Alloy, 29mm Inner, Pinned Joint, Disc Specific, 32H, Tubeless Compatible · Hubs: (F) Shimano HF-MT500B, 110x15mm, Centerlock / (R) Shimano HB-MT501B, 148x12mm, Centerlock, Micro Spline Freehub Body · Front tire: Maxxis Assegai MAXX GRIP, 2.5" EXO+ · Rear tire: Maxxis Minion DHR II, MAXXTERRA, 2.5" EXO+, Tubeless compatible
Controls and contact points
Archived: Headset: FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” · Handlebar: Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 40mm Rise, 5º Up, 9º Back · Stem: Marin 3D Forged Alloy, 55mm · Seatpost: Tranz-X YSI60QL Dropper Post, Adjustable Travel, 30.9mm Diameter, S = 150MM / M = 170MM / L-XL = 200MM · Saddle: Marin Speed Concept
Before and during the test ride
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Gallery4 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





