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2024 Marin

Alcatraz

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

Manufacturer Price

$1,399
FrameAluminum
SuspensionHardtail, 100mm
ForkManitou Circus Expert
Wheels26″ Aluminum
DrivetrainSingle-speed
Groupset
BrakesTektro Hydraulic Disc
Where to Buy
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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

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.

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 Single Speed Dropouts, 73mm Threaded BB, ISCG 05 Tabs

BB StandardBSA, 73mm, Threaded

ColorGloss Blue / Magenta

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, 31.8mm clamp, 40mm extension

Handlebar

Marin Riser, 6061 Double Butted Aluminum, 31.8mm at center bulge, 38mm Rise, 750mm Width, 4º Up, 9º Back

Saddle

Marin DJ Saddle

Seatpost

Marin Alloy, 30.9mm

TypeRigid

Pedals

Alloy Platform

Grips

Marin Single Clamp Locking

Groupset
Rear Derailleur

-

Front Derailleur

-

Crank

Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD

Shifters

-

Cassette

14T Single Speed Cog

Chain

KMC HL-1

Brakes

Tektro HDM275 Hydraulic Disc, 160mm Rotor

TypeTektro Hydraulic Disc

Brake Levers

Tektro HDM275 Hydraulic

Wheels
Rims

Marin Custom Extrusion, 27mm Inner, Pinned Joint

Front Hub

Forged Alloy, 110x20mm, Disc, 32H

Rear Hub

Forged Alloy, 135x10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H

Tires

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

Rider Notes
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First added September 23

Last updated July 27

Not listed for 660 days