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Marin Alpine Trail XR 29/27.5 bike, gray/white/red

-10%New model - model year 2026
5,399  -10%
RRP 5,999 
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Marin Alpine Trail XR 29/27.5 Bike

The Marin Alpine Trail XR is an enduro bike for riders who want to attack the most demanding trails, big jumps, and rough descents without compromise. It features a modern aluminum frame with adjustable geometry and is designed to handle aggressive riding in bike parks as well as long mountain tours. Thanks to its sophisticated suspension and details focused on control and confidence at speed, it offers stability, precise handling, and maximum fun on steep and technical sections.

  • Frame: Series 4 aluminum with adjustable geometry
  • Suspension: MultiTrac LT system with 160 mm travel
  • Wheel compatibility: mullet (29/27.5) and full 29"
  • Integrated storage in the downtube
  • UDH (Universal Derailleur Hanger) mount
  • Chain slap protection on the rear triangle
Level and quality of equipmenthelp
Sports and performance cycling

Riding in difficult terrain, or even racing will not be a problem for this bike. Quality equipment without compromise, which will be especially usefull for adventure enthusiasts and regular racers.

Specification
Frame
Series 4 6061 Aluminum, 29" Wheels, 160 mm Travel MultiTrac LT Suspension Platform, Integrated Downtube Storage, Adjustable Headset & CS Length/BB Height, Full Internal Cable Routing, Chainstay Mounted Post Mount Disc Brake, 148 x 12 mm Boost Thru-Axle, 73 mm Threaded BB w/ ISCG05 Tabs
Fork
RockShox Zeb Ultimate, 170 mm Travel, 29", 110 x 15 mm Maxle Stealth, 44 mm Offset
Professional level
Shock
RockShox Vivid Air Ultimate, 205 x 65 mm, 30 x M8 Lower Hardware, Custom Tune
Professional level
Shifting
Shimano Deore Di2, 12-speed
Regular and longer rides
Derailleur
Shimano Deore Di2, 12-speed, SGS
Regular and longer rides
Cassette
Shimano Deore M6100 MS
Regular and longer rides
Chain
KMC X-12, Silver and Black
Cranks
RaceFace Aeffect, 32 T, 55 mm CL, 165 mm
Regular and longer rides
Brakes
SRAM Maven Silver, 4-piston Hydraulic Disc, HSC 200 mm Rotor
Professional cycling
Brake levers
SRAM Maven Silver
Rims
DT Swiss M502, 30 mm Inner, 32 H
Front hub
DT Swiss 370 Classic, 110 x 15 mm, 6-bolt Disc, 32 H
Rear hub
DT Swiss 370 Classic, 148 x 12 mm, 6-bolt Disc, Micro Spline Driver, 32 H
Spokes
14 g Black Stainless Steel
Front tire
Schwalbe Magic Mary, Trail, Ultra Soft, Radial, 29 x 2.5"
Rear tire
Schwalbe Albert, Trail, Soft, Radial, 27.5 x 2.5"
Seat post
PNW Loam Post with Range Lever, S: 150 mm, M: 170 mm, L-XL: 200 mm, 34.9 mm
Saddle
Marin Speed Concept
Stem
All New Marin CNC, 35 mm Length, 35 mm Bar Bore
Handlebars
PNW Range Handlebar, 38 mm Rise, 38 mm Clamp, 800 mm Width, 5 ° Up, 10 ° Back
Grips
Marin Grizzly Lock-On
Headset
FSA Custom Headset, Adjustable HTA Design
Bottom bracket
RaceFace, 24 mm Spindle, BSA Threaded
Accessories
Bolt-On 12 mm Thru-Axle, 174 mm Length, 1.0 Thread Pitch, 16.5 mm, Tapered Head | Downtube Storage Bag
Product details
Sex Men, Unisex
Model year 2026
Gears 1x12
Groupset Shimano Deore
Size S, M, L, XL
Colour grey/white/red
Material aluminium
Wheel material Aluminium
Wheel diameter front 29" / rear 27.5"
Brakes Hydraulic disc
Fork Air
Fork travel 170 mm
Rear travel 160 mm
Dropper post yes
Shock type Air
Control type electronic
product ID 418781
Bike size SMLXL
Height (cm) 160 - 168 cm168 - 178 cm178 - 188 cm188 - 193 cm

All bicycles at the MTBIKER shop are new, not-ridden, from an official distributor and with a full warranty. Several brands even offer a lifetime warranty on the frame after registration. We perform all warranty services in MTBIKER stores after personal delivery or after sending the bike (or its part) by courier.

Our bike shipment is as follows:
  1. The bicycle is taken out of the manufacturer's box
  2. The bicycle is assembled, inspected and adjusted (front and rear derailleur, shock, fork, wheels,...)
  3. The bicycle is carefully packaged back into a box and shipped
  4. If you order a bike for in-person pick-up or home delivery, the bike will be waiting for you assembled and checked
  5. If you order a bicycle via courier to your home address, the following must be done at home:
    1. Take the bike out of the box and carefully remove safety material and foils
    2. Mount handlebar to stem (1 minute, 4 or 5 mm hex hey is needed).
    3. Mount front wheel to fork (1 minute, without the need of any tools if the bike has a quick release).
    4. Loosen the screws in the headset, straighten the stem with the front wheel, tighten the upper screw on the fork and then tighten the headset (2 minutes, 4 or 5 mm hex key is needed).
    5. Mount the pedals to the cranks while lubricating the thread and carefully mounting it the right way (1 minute, 8 mm hex key or 15 mm wrench).
    6. Mount seat post to frame (10 seconds, without needing any tools if the frame has a quick link).
    7. Inflate the tires or fork and shock to desired pressure (2 minutes, pump needed).
    8. Check the tightening of hex keys and quick-releases (2 minutes, 4 and 5 mm hex key is needed).
    9. Go for a test drive! Handle your bicycle carefully until you get used to it. If the bike has disc brakes, their performance will be limited from now on - they will gain their full power after 4-5 strong brakes at higher speed.
Auxiliary video for setting up the bike:
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This Californian brand is known for its MTB bikes. In the last few years, their gravel bikes caught on. They have been on the market since 1986, and they gained a pretty big fanbase.

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