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Rift Zone 29" Carbon XR

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Marin Rift Zone Carbon XR profile.

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  • Price: $4,859.00*
  • Suspension: Fox Performance Elite Float 36 / Fox Factory Series Coil
  • Wheel Size: 29"
  • Frame: Carbon Fiber
  • Size Range: S, M, L, XL
  • Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.

FAST PACED, EPIC RIDES

PUSHING THE ENVELOPE UP AND DOWN THE TRAIL

The Rift Zone XR is the newest and rowdiest member of the Rift Zone Carbon lineup, designed around a 140mm travel fork, paired with the included Fox Factory Coil rear shock.

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Specifications

  • Frame

    Unidirectional Carbon Fiber Front Triangle, Series 4 Alloy Rear End, 29” Wheels, 125mm Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs

  • Front Suspension

    Fox 36 Performance Elite Float, 140mm Travel, GRIP 2 Damper, 110x15mm Kabolt Axle, 44mm Offset

  • Rear Suspension

    Fox Factory Series Coil, Coil Spring, Climb Switch, Rebound & Compression Adjustment, Custom Tune, 210x50mm, M8x30mm Top, M8x25mm Bottom, Spring rates: S = 350lb, M = 400lb, L = 450lb, XL = 500 lb

  • Rims

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

  • Hub, Rear

    Forged Alloy, 148x12mm,Disc, 32H, MS Freehub Body

  • Hub, Front

    Forged Alloy, 148x12mm,Disc, 32H, MS Freehub Body

  • Spoke, Nipples

    14g Black Stainless Steel

  • Tires

    Maxxis Assegai 29x2.5”, 3C MaxxGrip, EXO+, Tubeless Compatible

  • Derailleur, Rear

    Shimano XT, 12-Speed, SGS

  • Derailleur, Front

    -

  • Shift Lever

    Shimano SLX, 12-Speed, SL-7100R

  • Crankset

    FSA Gradient, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, MegaExo Spindle, Boost Spacing

  • Bottom Bracket

    MEGAEVO BB, 73mm BSA Threaded

  • Chain

    KMC X-12 Silver and Black

  • Cassette

    Shimano Deore M6100, 12-Speed, 10-51T

  • Brake, Front

    Shimano XT, 4-Piston Hydraulic Disc, 203mm Rotor

  • Brake, Rear

    Shimano XT, 4-Piston Hydraulic Disc, 180mm Rotor

  • Brake Levers

    Shimano XT Hydraulic, I-Spec EV

  • Handlebar

    Marin Trail, 35mm Clamp, 7000 Alloy Bar, 800mm Length, 20mm Rise, 5 Degree Up, 8 Degree Back

  • Stem

    Marin CNC, 35mm Length, 35mm Bar Bore

  • Grips

    Marin Grizzly Lock On

  • Headset

    FSA No 42/47, Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

  • Seatpost

    X-Fusion Manic, 1x Composite Remote, Size S 125mm Travel, Size M and L 150mm Travel, Size XL 170mm Travel, 30.9mm

  • Saddle

    Marin Trail Speed Concept Pro

  • Pedals

    -

  • Extras

    Bolt-On Thru-Axle

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

Geometry

Rift Zone 29" Carbon XR geometry diagram
S M L XL
Stack 605.64 610.32 614.92 619.6
Reach 425.72 450.74 475.84 510.97
Headtube Angle 65.1° 65.1° 65.1° 65.1°
Headtube Length 100 105 110 115
Seattube Angle 76° 76° 76° 76°
Seattube Length 390 400 425 430
Toptube Effective 576.72 602.91 629.16 665.44
BB Height 347 347 347 347
BB Drop 31 31 31 31
Chainstay 425 425 425 425
Wheelbase 1164.899 1191.97 1219.12 1259.11
Standover Height 648 655 664 667
Fork Offset 44 44 44 44
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

Technology

Rift Zone XR AXS frame detail.

SERIES 3 ALUMINUMIM FRAME

Rift Zone alloy models feature Series 3 aluminum frames, with detailed forgings, highly manipulated tubes, and full internal cable routing with new braze-in ports, giving the rider a high feature and high-performing upgrade-worthy platform.

Rift Zone Alloy MultiTrac suspension detail.

MULTITRAC SUSPENSION TECHNOLOGY

MultiTrac is an acclaimed suspension system, fine-tuned to have a balanced ride capable of absorbing big hits with an efficient pedaling platform. The rocker link provides a progressive leverage ratio for the rear shock for small bump sensitivity and the feeling of a long travel system on large drops and rocks. 130mm rear travel on all Rift Zone models.

Marin Rift Zone headtube detail.

MODERN TRAIL GEOMETRY

Trail geometry with 430mm chainstays, low bottom bracket, long top tube, and a slack 65.5° head angle make for a playful yet confidence-inspiring bike.

Rift Zone alloy lower cable/hose port.

INTERNAL ROUTING

Rift Zone Alloy models sport full internal cable/hose routing in the front triangle, and all-new brazed-in cable ports, providing a clean and rattle free cable set up.

Rift Zone SRAM UDH detail.

CHAINSTAY/SEATSTAY PROTECTORS & UDH ON ALLOY MODELS

Rift Zone models have enhanced chainstay and seat stay protectors for a quiet ride, and utilize SRAM's Universal Derailleur Hanger (UDH) to help future-proof the frame as well as allow for T-type drivetrains.

Marin Rift Zone chainstay/seatstay detail.

ENHANCED CHAINSTAY/SEATSTAY PROTECTION

Rift Zone models have prominent chainstay and seat stay protectors for a quiet ride that also protects the paint finish.

Suspension Setup

REAR SHOCK SETUP

Recommended Sag = 30%/15mm

Step 1: Use your finger to slide the rubber bump stop (on the shock shaft) up to the seal head.

Step 2: Sit on the bike and put all of your weight on the bike. Do *not* cycle the suspension.

Step 3: Measure sag (from shock body to bumper), If it does not match the bike’s recommended sag in millimeters repeat process, and replace coil spring with appropriate rate.

Step 4: Adjust rebound setting to ensure proper control.

FORK SETUP

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 manufacturer.

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.

Fox Factory Series Coil

Rider weight and air pressure
LBS KG COIL LB/IN
120 54 300
130 59 300
140 64 300
150 68 350
160 73 350
170 77 350
180 82 400
190 86 400
200 91 400
210 95 450
220 100 450
230 104 450
240 109 500
250 113 500
260 118 500
270 122 500

Reviews

This is still a really fun bike, and it would suit anyone whose riding involves mixing up steep fall-line trails with less extreme stuff.

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