Alcatraz 2
OverviewAbout the Marin Alcatraz 2
The Marin Alcatraz 2 is a mountain bike, built on an aluminium frame, listed at $1,899.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Alcatraz 2 do I need?
Enter your height to see the size Marin recommends.
| Size | Rider height | In feet |
|---|---|---|
| Short | 157 to 173 cm | 5 ft 2 in to 5 ft 8 in |
| Long | 173 to 191 cm | 5 ft 8 in to 6 ft 3 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
- Model year
- 2025
- Category
- Mountain
- Frame
- Aluminium
- Wheel size
- 26-inch
- Drivetrain
- Single speed
- Brakes
- Disc
- Frame sizes
- Short, Long
- Price
- $1,899.99 at BikesOnline, was $2,399.99. 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 Long
- Stack
- 580 mm
- Reach
- 430 mm
- Stack/reach
- 1.35
- Head angle
- 69 deg
- Seat angle
- 69 deg
- Wheelbase
- 1083 mm
- Chainstay
- 395 mm
- BB drop
- 22 mm
- Fork rake
- 42 mm
Drivetrain & buildFull specification
- Shifting
- Mechanical
- Drive
- 1x
- Crank
- Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD
- Chainrings
- 32
- Cassette
- 14T Single Speed Cog
- Brakes
- Tektro HD-M535 Hydraulic Disc, 4-piston
- Rotors
- 160mm
- Wheelset
- Marin Custom Extrusion, 27mm Inner, Pinned Joint
- Rim internal width
- 27 mm
- Stock tyre
- 26x2.25
- BB standard
- Threaded
- Seatpost
- Marin Alloy, 30.9mm
- Cockpit
- Marin 3D Forged Alloy, 31.8mm clamp, 40mm extension / Marin Riser, 6061 Double Butted Aluminium, 31.8mm at centre bulge, 38mm Rise, 750mm Width, 4 deg Up, 9 deg Back
- Saddle
- Marin DJ Saddle
SuspensionMTB detail
- Front travel
- 100 mm
- Fork
- Manitou Circus Expert
- Wheel config
- 26
- Suspension
- hardtail
Bike DNAWhat the numbers say
- Steering
- A 69 deg head angle points to steeper, climbing and XC handling.
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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