The all-new Alpine Trail series is our boldest and most capable line of enduro bikes ever, built upon our most advanced, most adjustable frames to date.
Series 4 aluminum MultiTrac 2 LT frames feature mixed 29”/27.5” wheels, 170mm front and 160mm rear travel, and the utmost in adjustability. Riders can alter the head tube angle and bottom bracket/chainstay length, as well as run 29” rear wheels if desired. “Bear Box” downtube storage includes a zippered nylon bag to house trail essentials, and a 34.9mm seatpost increases strength and is compatible with the latest dropper posts.
"XR" = "Xtra Rad" here at Marin, and like the XR models that have preceded the new Alpine Trail, we created a model for the more discriminating rider. We focused our efforts on building a bike with high performance RockShox Ultimate-level suspension, a SRAM GX Eagle Lunar 12-speed drivetrain and DB8 4-piston brakes - all equipment that helps the rider level up, but without blowing the budget. Don't forget the Maxxis rubber and our proprietary CNC machined 35mm stem and matching Trail Bar.
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FRAME
All New Series 4 6061 Aluminum, 29” Wheels, 160mm Travel MultiTrac LT Suspension Platform, Integrated Downtube Storage, Adjustable Headset & CS Length/BB Height, Full Internal Cable Routing, Chainstay Mounted Post Mount Disc Brake, 148x12mm Boost Thru- Axle, 73mm Threaded BB w/ ISCG05 Tabs
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FRONT SUSPENSION
RockShox Zeb Ultimate, 170mm Travel, 29", 110x15mm Maxle Stealth, 44mm Offset
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REAR SUSPENSION
RockShox Super Deluxe Coil Ultimate, 205x65, 30xM8 Lower Hardware, Custom Tune, Spring Rates S/M: 350lbs, L/XL:400lbs
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RIM
Marin, Double Wall Alloy, 29mm Inner, Sleeved Joint, Disc Specific, 32H, Tubeless Compatible
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HUB REAR
Formula, DCL-3482, 148x12, 4 Sealed Bearings, 6-Bolt Disc, XD Driver, 32H
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HUB FRONT
Formula, DC-711, 110x15mm, 6-Bolt Disc, 32h
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SPOKES
14g Black Stainless Steel
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TIRES
Maxxis Assegai MAXX GRIP, Front 29x2.5 EXO+, Rear 27.5x2.5" DoubleDown, Tubeless compatible
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DERAILLEUR REAR
SRAM GX Eagle Lunar 12-Speed
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DERAILLEUR FRONT
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SHIFT LEVER
SRAM GX Eagle Lunar MMX Mount
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CRANKSET
SRAM GX Eagle, 32T, 55MM CL, 170MM Length
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BOTTOM BRACKET
SRAM DUB MTB 73
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CHAIN
SRAM NX Eagle
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CASSETTE
SRAM GX 1275 T-Type 10-52T
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BRAKES FRONT
SRAM DB8 4-Piston Hydraulic Disc, HSC 200mm Rotor
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BRAKES REAR
SRAM DB8 4-Piston Hydraulic Disc, HSC 200mm Rotor
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BRAKE LEVERS
SRAM DB8 Hydraulic
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HANDLEBAR
Marin Trail, 35mm Clamp, 7000 Alloy Bar, 800mm Length, 20mm Rise, 5 Degree Up, 8 Degree Back
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STEM
Marin CNC, 35mm Length, 35mm Bar Bore
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GRIPS
Marin Grizzly Lock-On
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HEADSET
FSA Custom, Adjustable HTA Design
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SEATPOST
TranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M/L = 170mm, XL = 200mm
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SADDLE
Marin Speed Concept
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PEDALS
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EXTRAS
Bolt-On 12mm Thru-Axle, 174mm Length, 1.0 Thread Pitch, 16.5mm, Tapered Head
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EXTRAS
Downtube Storage Bag
STACK | 620.08 | 633.51 | 642.6 | 646.93 |
REACH | 430 | 460 | 490 | 520 |
HEADTUBE ANGLE | 63.5° | 63.5° | 63.5° | 63.5° |
HEADTUBE LENGTH | 100 | 115 | 125 | 130 |
SEATTUBE ANGLE | 79.2° | 79° | 78.8° | 78.6° |
SEATTUBE LENGTH | 400 | 420 | 430 | 460 |
TOPTUBE EFFECTIVE | 556 | 592 | 626 | 659 |
BB HEIGHT | 352 | 352 | 352 | 352 |
BB DROP (REAR/FRONT) | 7/24 | 7/24 | 7/24 | 7/24 |
CHAINSTAY | 435 | 435 | 435 | 435 |
WHEELBASE | 1211.42 | 1248.11 | 1282.57 | 1317.8 |
STANDOVER HEIGHT | 683.32 | 68 9.88 | 695.6 | 698.13 |
FORK OFFSET | 44 | 44 | 44 | 44 |
SEATPOST DIAMETER | 34.9 | 34.9 | 34.9 | 34.9 |
HANDLEBAR WIDTH | 780 | 780 | 780 | 780 |
STEM LENGTH | 35 | 35 | 35 | 35 |
CRANK LENGTH | 160 | 160 | 160 | 160 |