Alcatraz 24"
The Marin Alcatraz 24" is a purpose-built dirt jump bike scaled down for younger or smaller riders who want to follow in the footsteps of freeride legend Matt Jones. Built around a robust Series 3 6061 Aluminum frame, this bike is designed to be incredibly stiff and flickable. It features a suspension-corrected Cro-Mo steel fork, horizontal dropouts with an integrated chain tensioner, and a dedicated single-speed setup. Whether hitting local pump tracks or massive dirt jumps, the Alcatraz 24" offers the durability and geometry needed to progress with confidence.
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30 Day Return Policy
Price matching on identical items from authorized Canadian retailers
Please note, bikes may not look exactly as pictured and components are subject to change
Need to Know
KEY FEATURES
PERFECT FOR
Why we like the Marin Alcatraz 24"
Matt Jones Inspired Frame
The Alcatraz 24" isn't just a kids' bike—it's a scaled version of the world-class frame Matt Jones uses. The Series 3 Aluminum frame features horizontal dropouts and a threaded bottom bracket, providing the same professional-level stiffness and durability found on the full-size 26" version.
Versatile Fork Design
We love that the Marin Series 2 Cro-Mo fork is suspension corrected. This means the bike handles perfectly with the rigid fork provided, but if the rider progresses and wants more cushion, you can swap in a 100mm suspension fork without ruining the bike's geometry or handling.
Tough and Precise Drivetrain
The inclusion of the KMC HL-1 half-link chain and the Marin Chain Tension Device is a major plus. This setup ensures that the rear wheel stays perfectly aligned and the chain stays tight, even after repeated hard landings or casing a jump.
Specifications
Frame
Aluminum
Fork
Marin Series 2 Cro-Mo 24", Suspension Corrected
Front Travel
Rigid
Shock
Rear Travel
Drivetrain
Shifter
Rear Derailleur
Crankset
Marin Forged Alloy, 32T DM Chainring, 152mm
Chain
KMC HL-1
Cassette
14T Single Speed Cog
Brakeset
Tektro MD-M280 Mechanical Disc
Rotors
160mm / 160mm
Bottom bracket
Marin Forged Alloy
Cockpit
Headset
FSA No 57E, Semi-Sealed, 1-1/8" x 1-1/2"
Handlebar
Marin Riser, 6061 Double Butted, 700mm Width
Stem
Marin 3D Forged Alloy, 35mm
Saddle
Marin DJ Saddle
Dropper Post
Dropper Lever
Grips
Marin MTN, Closed End
Wheels
Wheelset
Marin Custom Extrusion, 27mm Inner
Front Axle
100mm Bolt-On (3/8" Axle)
Rear Axle
135x10mm Horizontal Dropout, Bolt-On
Hubs
Forged Alloy, Quad Sealed Bearings (Rear)
Tires
Vee Tire Rail 24x2.25", LSG Compound
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