Marin Bikes

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Marin Bikes

Marin Alcatraz 1 26" Bike

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Item #: BI004600
$1,049.00

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MFG #: 741541001
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Available 5/8/2026
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Marin Alcatraz 1 26" Bike

Jump Up, Jump Up, and Get Down

If you came to get down, you came to get down, then get out your seat and jump around. Whether you're going to the dirt jumps, pump track, or skatepark, you'll love riding on a dirt jumper. These bikes are robust and ready to take anything you throw at it. The Marin Alcatraz 1 Bike is ready for dirt jumps, pump tracks, skateparks, slopestyle, or virtually anything you throw at it. It has a Series 3 6061 aluminum frame and a Marin Series 21 CroMo 26" fork that is suspension corrected so you can swap it out for a 100mm fork. The Alcatraz uses 26" wheels and features a threaded bottom bracket, ISCG-05 tabs, internal cable routing, horizontal dropouts, and a chain tension device.

The 1 version of the Marin Alcatraz comes with a simple single-speed drivetrain with a 32T chainring up front and a 14T single-speed cog on the rear. Tektro MD-M280 mechanical disc brakes on the front and rear provide highly reliable stopping power so you can stop and slow down under control. With the Marin Custom Extrusion Rims and Vee Tire Co. XCV Tires, you'll have a fast-rolling setup that also has ample traction on hardpack dirt.

Features

  • Series 3 6061 aluminum frame with a threaded bottom bracket, ISCG-05 tabs, internal cable routing, horizontal dropouts, and a chain tension device
  • Single-speed drivetrain keeps things simple so you can focus on riding
  • Tektro MD-M280 mechanical disc brakes provide highly reliable stopping power
  • Marin Custom Rims paired with Vee Tire Co. XCV Tires
SPECIFICATIONS
Frame Series 3 6061 Aluminum
Fork Marin Series 2 CroMo 26", Suspension Corrected, 100x9mm Dropouts
Rear Shock Nope
Headset FSA No.57E Semi-Sealed Cartridge Bearings
Shifters Single-Speed
Front Derailleur I Said Single-Speed
Rear Derailleur More Than 0, Less Than 2-Speed
Crankset Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD
Bottom Bracket External Sealed Cartridge Bearings
Chain KMC HL-1
Cassette 14T Single Speed Cog
Brakes Tektro MD-M280 Mechanical Disc, 160mm Rotors
Wheelset Marin Custom Extrusion, 27mm Inner, Pinned Joint Rims, Forged Alloy Bolt-On 3/8" Axle/10x135mm Hubs
Tires Vee Tire Co. XCV 26x2.25”, LSG Compound, Wire Bead
Handlebar Marin Riser, 6061 Double Butted Aluminum, 31.8mm, 38mm Rise, 750mm Wide
Stem Marin 3D Forged Alloy, 31.8mm, 40mm Length
Grips/Bar Tape Marin MTN, Closed End
Seatpost Marin Alloy, 30.9mm
Seatclamp Bolt-Type
Saddle Marin DJ Saddle
Intended Use Dirt Jump, Pump Track

Note: Components are subject to change without notice.

Geo Chart Image

 

Size Short Long
A: Seat Tube Length 320 320
B: Effective Top Tube 600 646
C: Stack 575 580
D: Reach 385 430
E: BB Height 317 317
F: BB Drop 22 22
G: Head Tube Length 115 120
H: Head Tube Angle 69 ° 69 °
I: Seat Tube Angle 69 ° 69 °
J: Standover Height 370 400
K: Chainstay Length 395 395
L: Wheelbase 1037 1083
Crank Arm Length 170 mm 170 mm
Stem Length 40 mm 40 mm
Handlebar Width 750 mm 750 mm
Suggested Rider Height
Frame Size Short Long
Rider Height 5'1" - 5'9" 5'6" - 6'3"
Size Short Long
A: Seat Tube Length 13.1 13.1
B: Effective Top Tube 23.6 25.4
C: Stack 22.6 22.8
D: Reach 15.2 16.9
E: BB Height 12.5 12.5
F: BB Drop 0.9 0.9
G: Head Tube Length 4.5 4.7
H: Head Tube Angle 69.0 ° 69.0 °
I: Seat Tube Angle 69.0 ° 69.0 °
J: Standover Height 14.6 15.7
K: Chainstay Length 15.6 15.6
L: Wheelbase 40.8 42.6
Crank Arm Length 170 mm 170 mm
Stem Length 40 mm 40 mm
Handlebar Width 750 mm 750 mm
Suggested Rider Height
Frame Size Short Long
Rider Height 5'1" - 5'9" 5'6" - 6'3"

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP") Lead, which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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Bike Shipping: Most complete bikes ship for a $99 oversize shipping fee, unless otherwise noted. Free shipping thresholds do not apply to complete bikes.

Some manufacturers restrict where we can ship their products. If this item has shipping restrictions, they are listed below. If you'd like to buy an item that we cannot ship to your address, we can accept your foreign credit card and ship it to a US address for you.

 

Due to manufacturer restrictions, this product cannot be shipped to the following locations:
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