Alpine Trail XR
OverviewAbout the Marin Alpine Trail XR
The Marin Alpine Trail XR is a mountain bike, built on an aluminium frame, listed at $7,199.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.
How it comparesThe Alpine Trail XR against similarly priced bikes
- At $7,199.99 it sits in the upper part of the range: 70% of the 223 mountain bikes we list cost less.
- Head angle: 63.5 degrees, about the same as similarly priced full-suspension mountain bikes (middle 64.0 degrees).
- Front travel: 170 mm, more than the middle of similarly priced full-suspension mountain bikes (160 mm).
- Rear travel: 160 mm, more than the middle of similarly priced full-suspension mountain bikes (150 mm).
- Reach (size M): 460 mm, about the same as similarly priced full-suspension mountain bikes (middle 460 mm).
- Lowest gear ratio: 0.63, about the same as similarly priced full-suspension mountain bikes (middle 0.62).
- Gears at the back: 12-speed, about the same as similarly priced full-suspension mountain bikes (middle 12-speed).
Closest alternatives on price
$200 less · aluminium frame · 160 mm fork vs 170 mm
$300 less · 180 mm fork vs 170 mm
$300 less · 180 mm fork vs 170 mm
$300 more · 160 mm fork vs 170 mm
Compare the Alpine Trail XR with the two closest side by side
Compared with the 20 similar mountain bikes on BikeFinder priced $5,050 to $9,700, using each bike's published specs and the price shown on its page.
SizingWhat size Alpine Trail XR do I need?
Enter your height to see the size Marin recommends.
| Size | Rider height | In feet |
|---|---|---|
| S | 160 to 168 cm | 5 ft 3 in to 5 ft 6 in |
| M | 168 to 178 cm | 5 ft 6 in to 5 ft 10 in |
| L | 178 to 188 cm | 5 ft 10 in to 6 ft 2 in |
| XL | 188 to 193 cm | 6 ft 2 in to 6 ft 4 in |
Rider heights from Marin's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Marin
- Category
- Mountain
- Frame
- Aluminium
- Wheel size
- Mullet (29/27.5)
- Drivetrain
- Shimano Deore Di2 1x12
- Brakes
- Disc
- Frame sizes
- S, M, L, XL
- Price
- $7,199.99 at BikesOnline, was $8,999.99. In stock, checked 3 Nov 2026.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M
- Stack
- 634 mm
- Reach
- 460 mm
- Stack/reach
- 1.38
- Head angle
- 63.5 deg
- Seat angle
- 79 deg
- Wheelbase
- 1248 mm
- Chainstay
- 435 mm
- Standover
- 690 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano Deore Di2
- Shifting
- Electronic
- Drive
- 1x
- Speeds
- 12
- Crank
- RaceFace Aeffect, 55mm Chainline, 165mm Arm Length
- Chainrings
- 32
- Cassette
- Shimano Deore CS-M6200, 10-51T, 12-speed
- Rear derailleur
- Shimano Deore Di2 RD-M6250-SGS, 12-Speed
- Brakes
- SRAM Maven Silver Hydraulic Disc Brake, 4-Piston
- Rotors
- 200mm
- Wheelset
- DT Swiss M502 Rim, 30mm Inner Width, 32H, Tubeless Ready
- Rim internal width
- 30 mm
- Stock tyre
- 29x2.5 / 27.5x2.5
- Tubeless
- Yes
- BB standard
- Threaded
- Seatpost
- PNW Loam Dropper Post with Range Lever, 34.9mm, 150mm Travel (Size S) / 170mm Travel (Size M) / 200mm Travel (Sizes L to XL)
- Cockpit
- Marin CNC Stem, 35mm Length, 35mm Bar Bore / PNW Range Handlebar, 800mm Width, 38mm Rise, 35mm Clamp, 5 deg Up Sweep, 10 deg Back Sweep
- Saddle
- Marin Speed Concept
SuspensionMTB detail
- Front travel
- 170 mm
- Rear travel
- 160 mm
- Fork
- RockShox Zeb Ultimate Fork
- Shock
- RockShox Vivid Air Ultimate Shock
- Wheel config
- Mullet
- Dropper
- PNW Loam Dropper Post with Range Lever
- Dropper travel
- 150 mm
- Discipline
- Enduro
- Suspension
- full suspension
Bike DNAWhat the numbers say
- Steering
- A 63.5 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.63 is a very low climbing gear for steep or loaded climbs.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (BikesOnline product page (specification list and geometry table)), verified 2026-11-03. This is a specification analysis, not a physical ride review.
Where to buyStockist
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