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2025 Marin Alpine Trail 1

Original specifications: 29" wheels · geometry for 4 published sizes.

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At a glance

Model year
2025
Category
Mountain
Original MSRP
$3,199.00
Sizes
S, M, L, XL
Colors
Brown Blue
Geometry
4 manufacturer sizes
In this record
23 specifications · 4 archived images · original MSRP · geometry
Archive ID
900000560
Model history 1 other year
Original buildAluminum · 29"

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Brown Blue

Frameset

Frame ConstructionAll New Series 4 6061 Aluminum Frame, 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
Frame MaterialAluminum
ForkFox 36 Rhythm, 170mm Travel, 29", Grip Damper, 110x10 Kabolt, 44mm Offset
Rear ShockFox Float Performance, 205x65, 30xM8 Lower Hardware, Custom Tune

Drivetrain

ShiftersShimano Deore, 12-Speed, SL-6100-IR
Rear DerailleurShimano Deore, 12-Speed, SGS
CranksetFSA Comet Heavy Duty, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, Boost Spacing
Bottom BracketMego EXO 73mm BSA
BB Shell Width73 mm
CassetteShimano, Deore M6100 12-Speed, 10-51T
ChainKMC X-12 Silver and Black

Brakes

Brakes(F) TRP Slate EVO, 4-Piston Hydraulic Disc , Resin Pads, 203mm Rotor / (R) TRP Slate EVO, 4-Piston Hydraulic Disc , Resin Pads, 203mm Rotor; Levers: TRP Slate EVO Hydraulic Lever, I-Spec EV Compatible

Cockpit & Contact Points

HeadsetFSA Custom Headset, Adjustable HTA Design
HandlebarMarin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back
StemMarin 3D Forged Alloy, 35mm
SaddleMarin Speed Concept
SeatpostTranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M/L = 170mm, XL = 200mm

Wheels & Tires

Hubs(F) Shimano HF-MT410B, 110x15mm, Centerlock / (R) Shimano HB-MT410B, 148x12mm, Centerlock, Microspline Freehub Body
RimsMarin, Double Wall Alloy, 29mm Inner, Pinned Joint, Disc Specific, 32H, Tubeless Compatible
Spokes14g Black Stainless Steel
Front TireVee Tire Flow Snap, 29x2.6" Front 27.5x2.5" Rear, Top 40 Compound, Enduro Core, 72 TPI, Tubeless Compatible
Rear TireVee Tire Flow Snap, 29x2.6" Front 27.5x2.5" Rear, Top 40 Compound, Enduro Core, 72 TPI, Tubeless Compatible
Wheel Size29"

Geometry

4 sizes · 16 measurements

Frame measurements by size.

All geometry measurements4 sizes · 16 measurements
MeasurementSMLXL
Seat tube400 mm420 mm430 mm460 mm
Effective top tube556 mm592 mm626 mm659 mm
Head tube100 mm115 mm125 mm130 mm
Head-tube angle63.5°63.5°63.5°63.5°
Seat-tube angle79°79°79°79°
Chainstay / rear center435 mm435 mm435 mm435 mm
Wheelbase1211 mm1248 mm1283 mm1318 mm
Bottom-bracket drop24 mm24 mm24 mm24 mm
Bottom-bracket height352 mm352 mm352 mm352 mm
Reach430 mm460 mm490 mm520 mm
Stack620 mm634 mm643 mm647 mm
Standover height683 mm690 mm695 mm698 mm
Fork offset / rake44 mm44 mm44 mm44 mm
Crank length160 mm160 mm160 mm160 mm
Stem length35 mm35 mm35 mm35 mm
Handlebar width780 mm780 mm780 mm780 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes32T · 10–51T · 12-speed
Lowest0.63:1 Highest3.20:1 Total range510%
Campaign

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
KMC X-12 Silver and Black
Cassette · Original
Shimano, Deore M6100 12-Speed, 10-51T Search: Shimano CS-M6100 12-speed 10-51 cassette
Retailer offers · Affiliate links
Crankset · Original
FSA Comet Heavy Duty, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, Boost Spacing
Retailer offers · Affiliate links
More parts (3)
Rear derailleur · Original
Shimano Deore, 12-Speed, SGS Search: Shimano Deore, 12-Speed, SGS rear derailleur
Retailer offers · Affiliate links
Shifters · Original
Shimano Deore, 12-Speed, SL-6100-IR Search: Shimano SL-6100-IR shifter
Headset · Original
FSA Custom Headset, Adjustable HTA Design

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 23 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2025 Marin Alpine Trail 1 · Mountain · Published sizes: S, M, L, XL

Archived: Frame: Aluminum · Fork: Fox 36 Rhythm, 170mm Travel, 29", Grip Damper, 110x10 Kabolt, 44mm Offset

Archived: Fork: Fox 36 Rhythm, 170mm Travel, 29", Grip Damper, 110x10 Kabolt, 44mm Offset · Rear shock: Fox Float Performance, 205x65, 30xM8 Lower Hardware, Custom Tune

Archived: Shifters: Shimano Deore, 12-Speed, SL-6100-IR · Rear derailleur: Shimano Deore, 12-Speed, SGS · Crankset: FSA Comet Heavy Duty, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, Boost Spacing · Bottom bracket: Mego EXO 73mm BSA · Cassette: Shimano, Deore M6100 12-Speed, 10-51T · Chain: KMC X-12 Silver and Black

Archived: Brakes: (F) TRP Slate EVO, 4-Piston Hydraulic Disc , Resin Pads, 203mm Rotor / (R) TRP Slate EVO, 4-Piston Hydraulic Disc , Resin Pads, 203mm Rotor; Levers: TRP Slate EVO Hydraulic Lever, I-Spec EV Compatible

Archived: Wheel size: 29" · Rims: Marin, Double Wall Alloy, 29mm Inner, Pinned Joint, Disc Specific, 32H, Tubeless Compatible · Hubs: (F) Shimano HF-MT410B, 110x15mm, Centerlock / (R) Shimano HB-MT410B, 148x12mm, Centerlock, Microspline Freehub Body · Front tire: Vee Tire Flow Snap, 29x2.6" Front 27.5x2.5" Rear, Top 40 Compound, Enduro Core, 72 TPI, Tubeless Compatible · Rear tire: Vee Tire Flow Snap, 29x2.6" Front 27.5x2.5" Rear, Top 40 Compound, Enduro Core, 72 TPI, Tubeless Compatible

Controls and contact points

Archived: Headset: FSA Custom Headset, Adjustable HTA Design · Handlebar: Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back · Stem: Marin 3D Forged Alloy, 35mm · Seatpost: TranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M/L = 170mm, XL = 200mm · Saddle: Marin Speed Concept

Before and during the test ride

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Gallery4 images

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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