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Marin Bikes

Alcatraz

2022 Alcatraz Bike Color

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  • Suspension: Manitou Circus Expert
  • Wheel Size: 26"
  • Frame: Aluminum
  • Size Range: Short, Long

DIRT JUMPS

SLOPESTYLE

PUMP TRACK

SKATE PARK

The Alcatraz 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.

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Specifications

  • Frame

    Series 3 6061 Aluminum, 26” Wheels, 135x10mm Horizontal Single Speed Dropouts, 73mm Threaded BB, ISCG 05 Tabs

  • Front Suspension

    Manitou Circus Expert, 26", 100mm Travel, Coil Spring, Taper Steerer Tube, 20x110mm Thru Axle

  • Rear Suspension

    -

  • Rims

    Marin Custom Extrusion, 27mm Inner, Pinned Joint

  • Hub, Rear

    Forged Alloy, 135x10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H

  • Hub, Front

    Forged Alloy, 110x20mm, Disc, 32H

  • Spoke, Nipples

    14g Black Stainless Steel

  • Tires

    Vee Tire, XCV 26x2.25”, LSG Compound, Wire Bead

  • Derailleur, Rear

    -

  • Derailleur, Front

    -

  • Shift Lever

    -

  • Crankset

    Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD

  • Bottom Bracket

    External Sealed Cartridge Bearings

  • Chain

    KMC HL-1

  • Cassette

    14T Single Speed Cog

  • Brake, Front

    Tektro HDM275 Hydraulic, 160mm Rotor

  • Brake, Rear

    Tektro HDM275 Hydraulic, 160mm Rotor

  • Brake Levers

    Tektro HDM275

  • Handlebar

    Marin Riser, 6061 Double Butted Aluminum, 38mm Rise, 750mm Width, 4º Up, 9º Back

  • Stem

    Marin 3D Forged Alloy, 40mm

  • Grips

    Marin Single Clamp Locking

  • 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

Specifications, pricing, and availability are subject to change without notice.

Geometry

Alcatraz geometry diagram
Short Long
Stack 575 580
Reach 385 430
Headtube Angle 69° 69°
Headtube Length 115 120
Seattube Angle 69° 69°
Seattube Length 320 320
Toptube Effective 600 646
BB Height 317 317
BB Drop 22 22
Chainstay 395 395
Wheelbase 1037 1083
Standover Height 370 400
Fork Offset 42 42
Seatpost Diameter 30.9 30.9
Handlebar Width 750 750
Stem Length 40 40
Crank Length 170 170

All lengths in millimeters