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Marin Alcatraz 1 2025 Jump Bike
The Alcatraz allows the rider to follow in Matt Jones’ footsteps to build and personalize the best dirt jump bike possible.
10% of free accessories
Get 10% of free accessories when you
Excludes discounted bikes, ex-demo bikes and Cyclescheme.
We have done our best to sufficiently estimate demand. Please contact us if you have a question or wish to check availability.
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Details
The Alcatraz 1 allows the rider to follow in Matt Jones’ footsteps to build and personalize the best dirt jump bike possible. At home boosting your local 6-pack, ripping up the pump track, or hitting the local skate park the Alcatraz has what you need to take care of business.
The Series 3 aluminum frame is built for the hard knocks and is stiff enough for lightning-fast acceleration and tough enough for the heavy hits. Short stays keep manuals easy and ambidextrous cable routing means you can run your brake on the left or right of the bars. There’s a suspension-corrected CrMo fork, front and rear Tektro disc brakes, Vee Tire rubber and plenty of bombproof Marin components. Best of all, it’s available in two frame sizes, regular and long.
Specification
| Frame | Series 3 6061 Aluminum, 26” Wheels, 135×10mm Horizontal Single Speed Dropouts, 73mm Threaded BB, ISCG 05 Tabs |
| Fork | Marin Series 2 CroMo 26”, Suspension Corrected, 100×9mm Dropouts |
| Rims | Marin Custom Extrusion, 27mm Inner, Pinned Joint |
| Rear Hub | Forged Alloy, 135×10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H |
| Front Hub | Forged Alloy, Bolt On 3/8” Axle, 100mm Spacing |
| Spokes | 14g Black Stainless Steel |
| Tyres | Vee Tire Co. XCV 26×2.25”, LSG Compound, Wire Bead |
| Crankset | Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD |
| Bottom Bracket | External Sealed Cartridge Bearings |
| Chain | KMC HL-1 |
| Cassette | 14T Single Speed Cog |
| Front Brake | Tektro MD-M280 Mechanical Disc 160mm Rotor |
| Rear Brake | Tektro MD-M280 Mechanical Disc 160mm Rotor |
| Brake Levers | Tektro CL-330TS Alloy |
| Handlebar | Marin Riser, 6061 Double Butted Aluminum, 31.8mm at center bulge, 38mm Rise, 750mm Width, 4º Up, 9º Back |
| Stem | Marin 3D Forged Alloy, 31.8mm clamp, 40mm extension |
| Grips | Marin MTN, Closed End |
| Headset | FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8” × 1 1/2” |
| Seatpost | Marin Alloy, 30.9mm |
| Saddle | Marin DJ Saddle |
| Pedals | Alloy Platform |
| Extras | Marin Chain Tension Device |
Specifications are subject to change without notice
Geometry
| Frame Size | Short | Long |
| A – Stack | 575 | 580 |
| B – Reach | 385 | 430 |
| C – Headtube Angle | 69° | 69° |
| D – Headtube Length | 115 | 120 |
| E – Seattube Angle | 69° | 69° |
| F – Seattube Length | 320 | 320 |
| G – Toptube Effective | 600 | 646 |
| H – BB Height | 317 | 317 |
| I – BB Drop | 22 | 22 |
| J – Chainstay | 395 | 395 |
| K – Wheelbase | 1037 | 1083 |
| L – Standover Height | 370 | 400 |
| M – Fork Offset | 42 | 42 |
| Seatpost Diameter | 30.9 | 30.9 |
| Handlebar Width | 750 | 750 |
| Stem Length | 40 | 40 |
| Crank Length | 170 | 170 |
Want to compare the size of your current bike to this one? Read our Reach and Stack guide here.
Additional Information
| Manufacturer | Marin |
|---|---|
| RRP | No |
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