Rift Zone 29 1

2021 Marin Rift Zone 29 1 profile.

See this bike in a different color:

  • Suspension: RockShox Recon Silver RL 29" / X-Fusion O2 Pro R
  • Wheel Size: 29"
  • Frame: Aluminum
  • Size Range: S, M, L, XL

FAST PACED, EPIC RIDES

PUSHING THE ENVELOPE UP AND DOWN THE TRAIL

CHASING PERSONAL RECORDS

The Rift Zone is our most speed oriented MultiTrac bike, created for the rider looking for the speed and roll over capabilities of 29” wheels in a trail capable package. Long, low, and slack trail geometry is more aggressive than an XC race bike for more control at top speed, and more fun while chasing seconds.

Specifications

  • FRAME

    Series 3 6061 Aluminum Frame, 29” Wheels, 125mm Travel, MultiTrac Suspension Platform, 141 Boost Spacing (upgradable to 148x12), 73mm Threaded BB w/ ISCG05 Tabs

  • FORK

    RockShox Recon Silver RL 29", 130mm Travel, Solo Air, Compression and Rebound Adjustment, Alloy Tapered Steerer, Fast Black Uppers, 110x15mm Boost Spacing, Maxle Stealth, 42mm Offset

  • SHOCK

    X-Fusion O2 Pro R, Custom Tune, 210x50mm, M8x25mm Hardware Top and Bottom

  • RIMS

    Marin Aluminum Double Wall, 29mm Inner, Pinned Joint, Disc Specific, Tubeless Compatible

  • HUB REAR

    Shimano HB-MT200B, 141 QR, Centerlock, Standard Freehub Body

  • HUB FRONT

    Shimano HF-MT400B, 110x15mm, Centerlock

  • SPOKES

    14g Black Stainless Steel

  • TIRES

    Vee Tire Crown Gem 29x2.35", Dual Control Compound, Tubeless Ready

  • DERAILLEUR REAR

    Shimano Deore SGS, Shadow Plus, Direct Attachment, 11-Speed

  • DERAILLEUR FRONT

    -

  • SHIFT LEVER

    Shimano Deore, 11-Speed, SL-5100R

  • CRANKSET

    Marin Forged Alloy, Integrated Steel 32T Narrow Wide Chainring, Boost Spacing

  • BOTTOM BRACKET

    External Sealed Cartridge Bearing

  • CHAIN

    KMC X-11 Silver and Black

  • CASSETTE

    SunRace, 11-Speed, 11-51T, ED Black

  • BRAKES FRONT

    Shimano BR-MT200 Hydraulic Disc, 180mm Rotor

  • BRAKES REAR

    Shimano BR-MT200 Hydraulic Disc, 180mm Rotor

  • BRAKE LEVERS

    Shimano BL-MT201 Hydraulic Disc

  • HANDLEBAR

    Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back

  • STEM

    Marin 3D Forged Alloy, 35mm

  • GRIPS

    Marin MTN, Closed End

  • HEADSET

    FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

  • SEATPOST

    Marin Alloy, 30.9mm

  • SADDLE

    Marin Speed Concept

  • Pedals

    -

  • EXTRAS

    Closed 9-12 Thru-Axle QR System

Specifications, pricing, and availability are subject to change without notice.

Geometry

Rift Zone 29 1 geometry diagram
S M L XL
Stack 602.6 607.15 611.7 616.25
Reach 430 455 480 505
Headtube Angle 65.5° 65.5° 65.5° 65.5°
Headtube Length 100 105 110 115
Seattube Angle 76° 76° 76° 76°
Seattube Length 390 400 425 430
Toptube Effective 580.24 606.36 632.51 658.6
BB Height 344 344 344 344
BB Drop 34 34 34 34
Chainstay 425 425 425 425
Wheelbase 1158.92 1186 1213 1240.1
Standover Height 691.84 697.1 717.83 721.97
Fork Offset 42 42 42 42
Seatpost Diameter 30.9 30.9 30.9 30.9
Handlebar Width 780 780 780 780
Stem Length 35 35 35 35
Crank Length 170 175 175 175

All lengths in millimeters

Suspension Setup

REAR SHOCK SET UP

Recommended Sag = 30%/15mm

Step 1: Set correct pressure in rear shock.

Step 2: Sit on the bike and cycle the suspension (*with correct riding gear).

Step 3: Reset O-ring and sit on the bike, DO NOT BOUNCE, carefully step off.

Step 4: Measure sag (from o-ring to seal of shock), If it does not match the bike’s recommended sag in millimeters repeat process.

Step 5: Adjust rebound setting to ensure proper control.

FORK SET UP

Marin recommends that all bikes front and rear suspension feel balanced

Step 1: After rear sag is set follow the recommended pressure from the fork manufacture.

Step 2: Bounce evenly up and down on the bike, cycling the suspension up and down to make sure both front and rear suspension feel balanced, if the front does not match the rear add or release pressure.

Step 3: Once the bike feels balanced adjust the rebound damping to ensure proper control.

X-Fusion O2 Pro R

Rider weight and air pressure
LBS KG PSI
120 54 66
130 59 74
140 64 82
150 68 90
160 73 99
170 77 108
180 82 117
190 86 126
200 91 135
210 95 145
220 100 155
230 104 165
240 109 174
250 113 183
260 118 192
270 122 201

Reviews

Marin absolutely nailed it with this bike. Not just the fit and finish, but the characteristics of this bike make it a great all-rounder. Something you can take on 90% of the trails and have and absolute blast, and it's one of the best values you're going to get.

The Rift Zone has long, low, and slack geometry. This makes the bike much more aggressive than a cross-country race bike while providing more stability at high speeds and more smiles through technical terrain.

— Mountain Bike Action, April 2021

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