Description
Marin: Alpine Trail XR - 2024
Marin's Alpine Trail is a 29” wheeled full suspension mountain bike that was built for the all day enduro rider that earns their downhill fun. Available at Bike Attack Santa Monica, Playa Vista, Culver City, Los Angeles.
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.
SPECIFICATIONS
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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
Specifications, pricing, and availability are subject to change without notice.
GEOMETRY
With the integrated flip chips, adjustable headset and an aftermarket 29” rear wheel, riders can select 12 unique configurations to run their bikes. These configurations allow the best fine-tuning of chassis to trail conditions available. Flip chips are easy to reconfigure trailside and easily done using a 6mm hex wrench, require no additional parts, and incorporate laser-etched graphics that indicate the position of the chips. The stock 27.5” rear wheel can be swapped out for a 29” rear wheel (not included) if desired, along with changing the position of the seatstay flip chips. Furthermore, the flip chips located at the seatstay pivots alter the bottom bracket height and chainstay length (low BB/long CS setting = 345/442mm, high BB/short CS setting = 352/435mm) so that riders can perfectly dial their bike in to match the terrain they are looking to conquer. Finally, using our proprietary headset cups and inserts, the headtube angle can be adjusted to +0.75° or -0.75° from the standard 63° position, giving the rider three options.
Click away below to see what configuration works best for you.
Geometry configuration
- Front/Rear Wheels: F: 29"/R: 27.5"
- BB and Chainstay: High BB/Short CS
- Headtube Angle: 0° Headset Cup
S | M | L | XL | |
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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 |
All lengths in millimeters
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