We've taken the Alcatraz 1 and scaled it down for smaller riders. Built upon the same tubing as the larger models, it features a 360mm reach, 69° headtube angle, and 72° seattube angle, with 369mm chainstays. A suspension-corrected rigid CrMo fork is designed to handle rough-and-rowdy riding, and a simple and stout single-speed drivetrain and Tektro mechanical disc brakes ensure a fun and safe ride.
Details Specifications
Fork
Marin Series 2 Cro-Mo 24" Fork, Suspension Corrected, 100x9mm Drop Outs
Frame
Series 3 6061 Aluminum, 24” Wheels, 135x10mm Horizontal Dropouts, 73mm Threaded BB, ISCG 05 Tabs
Rim
Marin Custom Extrusion, 27mm Inner, Pinned Joint
Hub Rear
Forged Alloy, 135x10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H
Hub Front
Forged Alloy, Bolt On 3/8t" Axle, 100mm Spacing
Spokes
14g Black Stainless Steel
Tires
Vee Tire, Rail 24x2.25”, LSG Compound, Wire Bead
Crankset
Marin Forged Alloy, Alloy 32T DM Chainring, 152mm Crank Length
Bottom Bracket
Marin Forged Alloy, Alloy 32T DM Chainring, 152mm Crank Length
Chain
KMC HL-1
Cassette
14T Single Speed Cog
Brakes Front
Tektro MD-M280 Mechanical Disc 160mm Rotor
Brakes Rear
Tektro MD-M280 Mechanical Disc 160mm Rotor
Brake Levers
Tektro CL-330TS Alloy
Handlebar
Marin Riser, 6061 Double Butted Aluminum, 30mm Rise, 700mm Width, 4º Up, 9º Back
Stem
Marin 3D Forged Alloy, 35mm
Grips
Marin MTN, Closed End
Headset
FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
Seatpost
Marin Alloy, 30.9mm
Saddle
Marin DJ Saddle
Pedals
Alloy Platform
Extras
Marin Chain Tension Device
| Geometry | OS |
|---|---|
| A Stack | 526 |
| B Reach | 360 |
| C Headtube angle | 69° |
| D Headtube length | 110 |
| E Seattube length | 280 |
| F Seattube angle | 72° |
| G Toptube effective | 531 |
| H Bb height | TBD |
| I Bb drop | 12 |
| J Chainstay | 369 |
| K Wheelbase | 973 |
| L Standover height | 370 |
| M Fork offset | 44 |
| N Seatpost diameter | 30.9 |
| O Handlebar width | 750 |
| P Stem length | 35 |
| Q Crank length | 155 |
Featured 2025 ALCATRAZ 24"
Find Your Fit
Your Height 5'3" / 160cm
slide the scale to your height measurement
You ride a
One size
Alcatraz 24"
