Rated by riders70,000+ customers since 2011
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Marin  |  Kids' Bikes

Marin Alcatraz Jr - 2026

€84900 €89900
21% VAT included
Color:  Red Pink Fade
Wheel Size:  24"

Kids Bike size chart

Size

Rider Height

14"

95-110cm

16"

105-120cm

20"

115-130cm

24"

125-145cm

26"

140-165cm

27.5"

145-165cm

Not available in Rotterdam Showroom
Not available in warehouse
Official dealer
70,000+ riders since 2011
14-day easy returns
Description
Enter the Matt Jones matrix on the Alcatraz 24" – scaled perfectly for smaller shredders.

Decked out with no-nonsense ready-to-ride and ready-to-progress parts – a Tektro hydraulic rear disc brake to boost control. Its Series 3 Aluminum frame is big-line tough and spin-it light. Dialed with short chainstays for poppy manuals and a low, short frame so it won't cramp your style – its geometry lets you level up without limits. 
Specification
Brake, Rear Tektro HD-M280, Hydraulic Disc, 160mm Rotor
Brake Levers Tektro HD-M280 (Rear only)
Chain KMC HL-1
Crankset Marin Forged Alloy, Alloy 32T DM Chainring, 152mm Crank Length
Frame Series 3 6061 Aluminum, 24” Wheels, 135x10mm Horizontal Dropouts, 73mm Threaded BB, ISCG 05 Tabs
Grip Marin MTN, Closed End
Handlebar Marin Riser, 6061 Double Butted Aluminum, 30mm Rise, 700mm Width, 4º Up, 9º Back
Headset FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
Hub, Front Forged Alloy, Bolt On 3/8t" Axle, 100mm Spacing
Hub, Rear Forged Alloy, 135x10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H
Pedals Alloy Platform
Rims Marin Custom Extrusion, 27mm Inner, Pinned Joint
Saddle Marin DJ Saddle
Seatpost Marin Alloy, 30.9mm
Stem Marin 3D Forged Alloy, 35mm
Tires Vee Tire, Rail 24x2.25”, LSG Compound, Wire Bead

 

Geometry

 
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The brand
Marin has been turning California riding inspiration into bikes since 1986. Its range spans mountain trails, gravel adventures and everyday journeys, with a straightforward aim: make getting out on a bike something you look forward to.
Explore Marin
Why choose Marin

The details that make a difference

US
Originated in
1986
Since

Designed with purpose

  • Mountain-bike heritage dating back to 1986
  • Bikes for trails, gravel, commuting and everyday exploration
  • Practical designs with an emphasis on riding enjoyment
Marin Alcatraz Jr - 2026

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