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2025 Marin

Alcatraz 2

A 26″ aluminum frame hardtail dirt jump bike with mid-range components.
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Manufacturer Price

$1,599
FrameAluminum
SuspensionHardtail, 100mm
ForkManitou Circus Expert
Wheels26″ Aluminum
DrivetrainSingle-speed
Groupset
BrakesShimano Hydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

18 mph

Alcatraz 2

20 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Price History
Reviews
Bikerumor
Marin Alcatraz Dirtjump Bike Gets Much More Affordable w/ $500 Cheaper Pumptrack Build

Jul 2024 · Cory Benson

A much more affordable Marin Alcatraz Dirtjump bike could be the perfect MTB to dial-in skills on the pump track & progress on jump lines…

Read Review

Geometry
Specs
Build
Frame

Series 3 6061 Aluminum, 26” Wheels, 135x10mm Horizontal Dropouts, 73mm Threaded BB, ISCG 05 Tabs

BB StandardBSA, 73mm, Threaded

ColorPurple Fade

Fork

Manitou Circus Expert, 26", 100mm Travel, Coil Spring, Taper Steerer Tube, 20x110mm Thru Axle

Travel100mm

Spring TypeCoil

Shock

-

Bottom Bracket

External Sealed Cartridge Bearings

Headset

FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

Stem

Marin 3D Forged Alloy, 4mm

Handlebar

Marin Riser, 6061 Double Butted Aluminum, 38mm Rise, 750mm Width, 4º Up, 9º Back

Saddle

Marin DJ Saddle

Seatpost

Marin Alloy, 30.9mm

TypeRigid

Pedals

Alloy Platform

Grips

Marin Grizzly Lock-On

Groupset
Crank

Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD, 170mm Crank Length

Shifters

-

Cassette

14T Single Speed Cog

Chain

KMC HL-1

Brakes

Shimano MT201 Hydraulic Disc, 160mm Rotor

TypeShimano Hydraulic Disc

Brake Levers

Shimano MT201, 160mm Rotor

Wheels
Rims

Marin Custom Extrusion, 27mm Inner, Pinned Joint

Spokes

14g Black Stainless Steel

Front Hub

Forged Alloy, 110x20mm, Disc, 32H

Rear Hub

Forged Alloy, 135x1mm, Bolt-On, Quad Sealed Bearings, Disc, 32H

Tires

Vee Tire, XCV 26x2.25”, LSG Compound, Wire Bead

Rider Notes
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First added August 2

Last updated May 19