Marin Bikes

Alcatraz Frame Kit

2021 Marin Alcatraz frame kit profile.

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  • Wheel Size: 26"
  • Frame: Aluminum
  • Size Range: One Size

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 Frame, 26” Wheels, 135x10mm Horizontal Dropouts, 73mm Threaded BB, ISCG 05 Tabs

  • Headset

    FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

  • Extras

    Marin Chain Tension Device

  • Extras

    Marin MTB Seat Clamp, Bolt Type

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

Geometry

Alcatraz Frame Kit geometry diagram
ONE SIZE
Stack 575.5
Reach 401.84
Headtube Angle 69°
Headtube Length 115
Seattube Angle 71°
Seattube Length 320
Toptube Effective 600
BB Height 317
BB Drop 22
Chainstay 395
Wheelbase 1053.68
Standover Height 650
Fork Offset 42

All lengths in millimeters

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