date.

:root { --header-height: 60px; --header-sticky-height: 60px; --header-background-height: 60px; } :root { --full-height: calc(100vh - var(--header-sticky-height)); } .main-content > .shopify-section.supports-transparent-header:first-child [data-prevent-transparent-header] { --full-height: var(--content-full); } .site-header--has-border { --border-color: currentcolor; --border-opacity: 0.0; }

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

Open navigation menu

.logo__image-link { width: 100px; height: 28px; } .has-scrolled .logo__image-link { width: 100px; height: 28px; }

• 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

  Open search bar

• Front Suspension

  RockShox Zeb Ultimate, 170mm Travel, 29", 110x15mm Maxle Stealth, 44mm Offset

  Search for products on our site

• Rear Suspension

  RockShox Super Deluxe Coil Ultimate, 205x65, 30xM8 Lower Hardware, Custom Tune, Spring Rates S/M: 350lbs, L/XL:450lbs

• Rim

  Marin, Double Wall Alloy, 29mm Inner, Sleeved Joint, Disc Specific, 32H, Tubeless CompatibleSuggested search terms

• About Us

  Hub Rear

  Contact Us

  Formula, DCL-3482, 148x12, 4 Sealed Bearings, 6-Bolt Disc, XD Driver, 32H

  Blog
• Track Service Progress

  Hub Front

  Formula, DC-711, 110x15mm, 6-Bolt Disc, 32hBuilding Your Bike From the Box

Insure Your Bike

• SpokesPrivacy Policy

  14g Black Stainless Steel

  Cookie Policy
• Terms of Service

  Tires

  Refund policy

  Maxxis Assegai MAXX GRIP, Front 29x2.5 EXO+, Rear 27.5x2.5" DoubleDown, Tubeless compatible

• Derailleur Rear

  SRAM GX Eagle AXS T-TypeOpen cart

• Derailleur Front

  -Home

• Hire

  Shift Lever

  SRAM AXS POD MMXBikes

New Bikes
• Shop All New Bikes

  Crankset

  SRAM GX Eagle, 32T, 55MM CL, 170MM LengthRoad / Gravel / Touring Bikes

Hybrid / City Bikes

• Bottom BracketMountain Bikes

  SRAM DUB MTB 73

  Electric Bikes
• Kids Bikes

  Chain

  Frames

  SRAM GX Eagle T-Type

  Shop by Brand
Gloria

• CassetteTrek

  SRAM GX 1275 T-Type 10-52T

  Amflow
• Yeti

  Brakes Front

  Ridgeback

  SRAM Code Bronze 4-Piston Hydraulic Disc, HSC 200mm Rotor

  Brother
• Genesis

  Brakes Rear

  SRAM Code Bronze 4-Piston Hydraulic, HSC 200mm RotorSingular

Enigma

• Brake LeversFrog

  SRAM Code Bronze Stealth Hydraulic

  Kona
• Surly

• TranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M/L = 170mm, XL = 200mmTrack Your Service

  Other
• Custom Builds

  Saddle

  Cycle To Work Schemes

  Marin Speed Concept

  Insure Your Bike
• Book a Service

  Pedals

  -

Parts & Components

• ExtrasBrands

  Bolt-On 12mm Thru-Axle, 174mm Length, 1.0 Thread Pitch, 16.5mm, Tapered HeadHope

Enve
• Cockpit

  Extras

  Handlebars

  Downtube Storage Bag

  Stems