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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 we pulled out all the stops with the XR AXS take on the Alpine Trail. Not only did we grace the bike with Ultimate-level RockShox suspension, but took the drivetrain up a notch with SRAM's GX Eagle AXS wireless 12-speed drivetrain. SRAM's Code Bronze brakes provide tenacious stopping power with their 4-piston calipers and 203mm rotors.
SPECIFICATIONS
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
FRONT SUSPENSION
RockShox Zeb Ultimate, 170mm Travel, 29", 110x15mm Maxle Stealth, 44mm Offset
REAR SUSPENSION
RockShox Super Deluxe Coil Ultimate, 205x65, 30xM8 Lower Hardware, Custom Tune, Spring Rates S/M: 350lbs, L/XL:400lbs
RIM
Marin, Double Wall Alloy, 29mm Inner, Sleeved Joint, Disc Specific, 32H, Tubeless Compatible
HUB REAR
Formula, DCL-3482, 148x12, 4 Sealed Bearings, 6-Bolt Disc, XD Driver, 32H
HUB FRONT
Formula, DC-711, 110x15mm, 6-Bolt Disc, 32h
SPOKES
14g Black Stainless Steel
TIRES
Maxxis Assegai MAXX GRIP, Front 29x2.5 EXO+, Rear 27.5x2.5" DoubleDown, Tubeless compatible
DERAILLEUR REAR
SRAM GX Eagle AXS T-Type
DERAILLEUR FRONT
-
SHIFT LEVER
SRAM AXS POD MMX
CRANKSET
SRAM GX Eagle, 32T, 55MM CL, 170MM Length
BOTTOM BRACKET
SRAM DUB MTB 73
CHAIN
SRAM GX Eagle T-Type
CASSETTE
SRAM GX 1275 T-Type 10-52T
BRAKES FRONT
SRAM Code Bronze 4-Piston Hydraulic Disc, HSC 200mm Rotor
BRAKES REAR
SRAM Code Bronze 4-Piston Hydraulic, HSC 200mm Rotor
BRAKE LEVERS
SRAM Code Bronze Stealth Hydraulic
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 Custom, Adjustable HTA Design
SEATPOST
TranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M/L = 170mm, XL = 200mm
SADDLE
Marin Speed Concept
PEDALS
-
EXTRAS
Bolt-On 12mm Thru-Axle, 174mm Length, 1.0 Thread Pitch, 16.5mm, Tapered Head
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.
