Rift Zone 29 Carbon XR
![Marin Rift Zone Carbon XR profile.](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/hero/_bikeHero320Wide/23_RZC_XR-profile-2920.jpg)
See this bike in a different color:
- Price: $4,779.00 (USD)*
- Suspension: Fox Performance Elite Float 36 / Fox Factory Series Coil
- Wheel Size : 29"
- 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.
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Specifications
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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
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Front Suspension
Fox Performance Elite Float 36, 140mm Travel, GRIP 2 Damper, 110x15mm Kabolt Axle, 44mm Offset
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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
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Rims
Marin Aluminum Double Wall, 29mm Inner, Welded Joint, Disc Specific, Tubeless Compatible
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Hub, Rear
Shimano, Microspline 148x12mm, Disc, 32H
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Hub, Front
Shimano, 110x15mm, Disc, 32H
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Spoke, Nipples
14g Black Stainless Steel
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Tires
Vee Tire Co Attack HPL, 29x2.5", Top 40 Tubeless Compatible
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Derailleur, Rear
Shimano XT, 12-Speed, SGS
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Derailleur, Front
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Shift Lever
Shimano SLX 12-Speed, I-Spec EV
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Crankset
FSA Gradient, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, Mego EXO Spindle, Boost Spacing
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Bottom Bracket
MEGAEVO BB, 73mm BSA Threaded
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Chain
KMC X-12 Silver and Black
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Cassette
Shimano SLX M7100, 12-Speed, 10-51T
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Brake, Front
Shimano XT, 4-Piston Hydraulic Disc, Brake 203mm Rotor
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Brake, Rear
Shimano XT, 4-Piston Hydraulic Disc Brake, 180mm Rotor
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Brake Levers
Shimano XT Hydraulic, I-Spec EV
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Handlebar
Marin 35mm 7000 Alloy Bar, 780mm Length, 5 Degree Up, 8 Degree Back
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Stem
Marin CNC Stem, 35mm Length, 35mm Bar Bore
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Grips
All New Marin Single Clamp Locking
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Headset
FSA No 42/47, Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
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Seatpost
X-Fusion Manic, 1x Composite Remote, Size S 125mm Travel, Size M and L 150mm Travel, Size XL 170mm Travel, 30.9mm
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Saddle
Marin Trail Speed Concept Pro
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Pedals
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Extras
Bolt-On Thru-Axle
Specifications, pricing, and availability are subject to change without notice.
Geometry
![Rift Zone 29 Carbon XR geometry diagram](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/geometry/_bikeGeometry320Wide/21_MRN_GEO_ALL_MULTITRAC_1416px.jpg)
S | M | L | XL | |
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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 | 170 | 170 | 170 |
All lengths in millimeters
Suspension Setup
REAR SHOCK SETUP
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 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 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.
LBS | KG | COIL LB/IN |
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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 |