Marin Alcatraz 1 26w 2025 - Jump Bike
Ready to launch, spin and send, the Marin Alcatraz 1 26w is a purpose-built dirt jump bike with bombproof kit and geometry tuned for big air and street style confidence.
Key Features:
- Series 3 661 aluminium frame with horizontal dropouts for dialled dirt jump geometry
- Marin CrMo fork, suspension-corrected for strength and control
- Single-speed drivetrain with 32T alloy chainring and 14T rear cog
- Tektro mechanical disc brakes with 160mm rotors front and rear
- 26" Marin custom rims with Vee Tire XCV 2.25" LSG compound tyres
- Ambidextrous cable routing, ISCG-05 tabs, and two frame size options
- Available with 0% APR finance
The Marin Alcatraz 1 26w is built for riders who treat the street, pump track or dirt line as their playground. Developed with input from pro riders, this bike is designed to handle big tricks, hard landings and hours of sessioning without compromise. Its low-slung frame and short chainstays make manuals, whips and spins feel natural and controlled, while the rigid CrMo fork delivers razor-sharp steering and rock-solid landings.
The Series 3 aluminium frame is both lightweight and incredibly tough, featuring a threaded bottom bracket, ISCG-05 tabs for a chain guide, and versatile horizontal dropouts to keep your drivetrain tensioned and tidy. Ambidextrous cable routing lets you set up your brake whichever side you prefer—ideal for barspins or personal preference.
The drivetrain is a simple, reliable single-speed setup, perfect for park laps or dirt jumps, with a 32T chainring up front and a 14T cog at the rear. Tektro mechanical disc brakes give strong, low-maintenance stopping power, so you can get rowdy with confidence.
Rolling on bombproof Marin custom rims, wide Vee Tire XCV 2.25” rubber, and sealed hubs, the Alcatraz is ready to take hits and keep rolling smooth. With wide riser bars and a dirt-jump specific Marin saddle, the cockpit is designed for control and style.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | All New Series 3 661 Aluminum Frame, 26” Wheels, 135x1mm Horizontal Dropouts, 73mm Threaded BB, ISCG 5 Tabs |
| Fork | Marin Series 2 Cro-Mo 26" Fork, Suspension Corrected, 100x9mm Drop Outs |
| Headset | FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” |
| Stem | Marin 3D Forged Alloy, 4mm |
| Bars | Marin Riser, 661 Double Butted Aluminum, 38mm Rise, 75mm Width, 4º Up, 9º Back |
| Front Brake | Tektro MD-M280 Mechanical Disc 160mm Rotor |
| Rear Brake | Tektro MD-M280 Mechanical Disc 160mm Rotor |
| Brake Lever | Tektro CL-330TS Alloy |
| Speed | 1 |
| Rims | Marin Custom Extrusion, 27mm Inner, Pinned Joint |
| Front Hub | Forged Alloy, Bolt On 3/8th Axle, 100mm Spacing |
| Rear Hub | Forged Alloy, 135x1mm, Bolt-On, Quad Sealed Bearings, Disc, 32H |
| Spokes | 14g Black Stainless Steel |
| Front Tyre | Vee Tire, XCV 26x2.25”, LSG Compound, Wire Bead |
| Rear Tyre | Vee Tire, XCV 26x2.25”, LSG Compound, Wire Bead |
| Seat Post | Marin Alloy, 30.9mm |
| Saddle | Marin DJ Saddle |
| Chainset | Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD, 170mm Crank Length |
| Bottom Bracket | External Sealed Cartridge Bearings |
| Chain | KMC HL-1 |
| Cassette | 14T Single Speed Cog |
Jump Bike Size guide
Jump bikes are designed and intended for Dirt jumps, street and skatepark riding. Not for riding any distance.
They primarily use a 26” wheel with the frame only available in one size, to suit riders taller than 4’5” or 137cm.
Some manufacturers offer a long or short length bike. Riders over 5’10” or 178cm will prefer the longer option.
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