Alpine Trail XR
$3,799.00
BIG ALL-MOUNTAIN DAYS WHERE TRAVEL AND GEOMETRY MATTER MOST
BUILT FOR ABUSE AND ROWDY RIDING
ENDURO-STYLE RIDING AND RACING
BIG BIKE, BIG WHEELS, BIG FUN
The Alpine Trail is a 29” wheeled full suspension bike built for the all day enduro rider that earns their downhill fun.
Key upgrades from Alpine Trail 7:
- RockShox Lyrik Ultimate/Super Deluxe coil suspension
- Shimano SLX/XT drivetrain
- FSA Gradient crankset
GALLERY
SPECIFICATIONS
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FRAME
Series 4 6061 Aluminum Frame, 29” Wheels, 150mm Travel MultiTrac Suspension Platform, Internal Dropper Post and Rear Derailleur Routing, Chainstay Mounted Post Mount Disc Brake, 148x12mm Boost Thru- Axle, 73mm Threaded BB w/ ISCG05 Tabs
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FRONT SUSPENSION
RockShox Lyrik Ultimate, 29”, 160mm of Travel, Air Sprung, Debonair, Charger 2.1, Fast Black Stanchions, 110x15mm Maxle Stealth, 42mm Offset
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REAR SUSPENSION
RockShox Super Deluxe Coil Ultimate RCT, Coil Spring, Climb Switch, LS Compression and Rebound Adjustment, 205x65mm, Trunnion Upper Mount, 25mmxM8 Lower Mount (S/M = 350lb, L/XL = 450lb)
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RIMS
Marin Aluminum Double Wall, 29mm Inner, Sleeved Joint, Disc Specific, Tubeless Compatible
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HUB, REAR
Shimano HB-MT510B, 148x12mm, Centerlock, Microspline Freehub Body
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HUB, FRONT
Shimano HF-MT410B, 110x15mm, Center\lock
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SPOKE, NIPPLES
14g Black Stainless Steel
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TIRES
Maxxis Assegai 29×2.5”, MAXX TERRA, EXO+, 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 Cassette, 12-Speed, 10-51T
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BRAKE, FRONT
Shimano BR-MT420, 4-Piston Hydraulic Disc, 203mm Rotor
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BRAKE, REAR
Shimano BR-MT420, 4-Piston Hydraulic Disc, 180mm Rotor
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BRAKE LEVERS
Shimano BL-M4100 Hydraulic, I-Spec EV Compatible
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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
Marin Single Clamp Locking
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HEADSET
FSA No 57, 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 175mm Travel, 30.9mm
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SADDLE
Marin Speed Concept
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PEDALS
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EXTRAS
Bolt-On Thru-Axle
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EXTRAS
Downtube Protector
Specifications, pricing, and availability are subject to change without notice.
GEOMETRY
| S | M | L | XL | |
|---|---|---|---|---|
| STACK | 619 | 628 | 632 | 643 |
| REACH | 430 | 455 | 480 | 515 |
| HEADTUBE ANGLE | 63.5° | 63.5° | 63.5° | 63.5° |
| HEADTUBE LENGTH | 100 | 110 | 115 | 130 |
| SEATTUBE ANGLE | 78° | 78° | 78° | 78° |
| SEATTUBE LENGTH | 390 | 400 | 425 | 430 |
| TOPTUBE EFFECTIVE | 561.7 | 589 | 615 | 652 |
| BB HEIGHT | 342 | 342 | 342 | 342 |
| BB DROP | 35 | 35 | 35 | 35 |
| CHAINSTAY | 430 | 430 | 430 | 430 |
| WHEELBASE | 1199 | 1229 | 1256 | 1297 |
| STANDOVER HEIGHT | 714 | 716 | 732 | 734 |
| FORK OFFSET | 44 | 44 | 44 | 44 |
| SEATPOST DIAMETER | 30.9 | 30.9 | 30.9 | 30.9 |
| HANDLEBAR WIDTH | 780 | 780 | 780 | 780 |
| STEM LENGTH | 50 | 50 | 50 | 50 |
| CRANK LENGTH | 170 | 170 | 170 | 170 |
All lengths in millimeters
TECHNOLOGY
UNIDIRECTIONAL CARBON FIBER FRAME
Alpine Trail Carbon 1 and 2 models feature high modulus carbon fiber and monocoque construction to deliver the strongest and stiffest Alpine Trail to date.
SERIES 4 ALUMINUM FRAME
Alpine Trail models feature Series 4 aluminum frames, with detailed forgings, highly manipulated tubes, and full internal cable routing, giving the rider the highest-end alloy frame that Marin offers.
ONE PIECE FORGED ROCKER
The heart of the Alpine Trail’s MultiTrac suspension is the forged one-piece rocker link. The strength and stiffness of the rocker keeps the rear of the bike tracking straight, providing smooth suspension operation under the most demanding conditions.
BRIDGELESS SEATSTAY
The stiffness of the one-piece rocker link allows for a bridgeless seatstay design, offering zero compromises on stiffness while at the same time allowing for maximum tire clearance and short chainstays.
MODERN ANGLES
The Alpine Trail has a slack 63.5º head tube angle paired with a steep 78º seat tube angle and long reach to provide the best modern trail bike experience. The bike lets you climb better than ever before, while giving you even more confidence when descending.
SUSPENSION SETUP
REAR SHOCK SETUP
Recommended Sag = 30%/19.5mm
Step 1: Check the coil rate chart. If you are close to the correct rate, go to step two, otherwise swap the spring for one with the correct rate (not provided).
Step 2: Sit on the bike and note the sag. On a RockShox-equipped bike, this can be seen on the shock shaft. You will likely need someone to help you.
Step 3: If sag is less than 30%, back off the preload ring on the spring one turn at at time. If sag is more than 30%, increase the preload on the spring. (Note: Never preload coil more than five turns).
Step 4: Adjust rebound setting to ensure proper control.
For additional information on the setup of RockShox coil shocks, visit SRAM’s suspension setup and tuning guide.
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.
ROCKSHOX SUPER DELUXE COIL ULTIMATE RCT
| 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 |
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