Bicycle Archive · Specification report

2026 Marin Alpine Trail XR

Velopedia Archive ID 900000045

Overview

Model year	2026
Brand	Marin
Model	Alpine Trail XR
Bicycle type	Mountain
Archive ID	900000045
Original MSRP	$6,399.00
Colors	GREY WHITE RED
Sizes	S; M; L; XL

Frameset

Frame construction	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
Frame material	Aluminum
Fork	RockShox Zeb Ultimate, 170mm Travel, 29", 110x15mm Maxle Stealth, 44mm Offset
Rear shock	RockShox Vivid Air Ultimate, 205x65, 30xM8 Lower Hardware, Custom Tune

Drivetrain

Shifters	Shimano Deore Di2, 12-Speed
Rear derailleur	Shimano Deore Di2, 12-Speed, SGS
Crankset	RaceFace Affect, 32T, 55mm CL, 165mm
Bottom bracket	RaceFace, 24mm Spindle, BSA Threaded
BB shell width	73 mm
Cassette	Shimano Deore M6100 MS
Chain	KMC X-12 Silver and Black

Brakes

Brakes	(F) SRAM Maven Silver, 4-Piston Hydraulic Disc, HSC 200mm RotorTRP Slate EVO, 4-Piston Hydraulic Disc , Resin Pads, 203mm Rotor / (R) SRAM Maven Silver, 4-Piston Hydraulic Disc, HSC 200mm Rotor; Levers: SRAM Maven Silver

Cockpit & contact points

Headset	FSA Custom Headset, Adjustable HTA Design
Handlebar	PNW Range Handlebar, 38mm Rise, 38mm Clamp, 800mm Width, 5 Degree Up, 10 Degree Back
Stem	All New Marin CNC, 35mm Length, 35mm Bar Bore
Saddle	Marin Speed Concept
Seatpost	PNW Loam Post with Range Lever, Size S=150, M=170mm Travel, Size L-XL 200mm Travel, 34.9mm

Wheels & tires

Hubs	(F) DT Swiss 370 Classic, 110x15mm, 6-Bolt Disc, 32H / (R) DT Swiss 370 Classic, 148x12mm, 6-Bolt Disc, Mircro Spline Driver, 32H
Rims	DT Swiss M502, 30mm Inner, 32H
Spokes	14g Black Stainless Steel
Front tire	Schwalbe Magic Mary, Trail, Ultra Soft, Radial, 29x2.5"
Rear tire	Schwalbe Albert, Trail, Soft, Radial, 27.5x2.5"
Wheel size	29"

Geometry · S

Seat tube	400 mm
Effective top tube	556 mm
Head tube	100 mm
Head-tube angle	63.5°
Seat-tube angle	79°
Chainstay / rear center	435 mm
Wheelbase	1211 mm
Bottom-bracket drop	24 mm
Bottom-bracket height	352 mm
Reach	430 mm
Stack	620 mm
Standover height	683 mm
Fork offset / rake	44 mm
Crank length	160 mm
Stem length	35 mm
Handlebar width	780 mm

Geometry · M

Seat tube	420 mm
Effective top tube	592 mm
Head tube	115 mm
Head-tube angle	63.5°
Seat-tube angle	79°
Chainstay / rear center	442 mm
Wheelbase	1248 mm
Bottom-bracket drop	24 mm
Bottom-bracket height	352 mm
Reach	460 mm
Stack	634 mm
Standover height	690 mm
Fork offset / rake	44 mm
Crank length	160 mm
Stem length	35 mm
Handlebar width	780 mm

Geometry · L

Seat tube	430 mm
Effective top tube	626 mm
Head tube	125 mm
Head-tube angle	63.5°
Seat-tube angle	79°
Chainstay / rear center	442 mm
Wheelbase	1283 mm
Bottom-bracket drop	24 mm
Bottom-bracket height	352 mm
Reach	490 mm
Stack	643 mm
Standover height	695 mm
Fork offset / rake	44 mm
Crank length	160 mm
Stem length	35 mm
Handlebar width	780 mm

Geometry · XL

Seat tube	450 mm
Effective top tube	659 mm
Head tube	130 mm
Head-tube angle	63.5°
Seat-tube angle	79°
Chainstay / rear center	442 mm
Wheelbase	1318 mm
Bottom-bracket drop	24 mm
Bottom-bracket height	352 mm
Reach	520 mm
Stack	647 mm
Standover height	698 mm
Fork offset / rake	44 mm
Crank length	160 mm
Stem length	35 mm
Handlebar width	780 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 24, 2026.