Alcatraz Frame Kit

$549.00

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.

SKU: N/A Category:

Description

SPECIFICATIONS

  • FRAME

    Series 3 6061 Aluminum, 26” Wheels, 135x10mm Horizontal Single Speed 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
  SHORT LONG
STACK 575 580
REACH 385 430
HEAD TUBE ANGLE 69° 69°
HEAD TUBE LENGTH 115 120
SEAT TUBE ANGLE 69° 69°
SEAT TUBE LENGTH 320 320
TOP TUBE EFFECTIVE 600 646
BB HEIGHT 317 317
BB DROP 22 22
CHAIN STAY 395 395
WHEEL BASE 1037 1083
STAND OVER HEIGHT 370 400
FORK OFFSET 42 42

All lengths in millimeters

TECHNOLOGY

Marin Alcatraz Front 3/4 View

SERIES 3 ALUMINUM FRAME

The Alcatraz features a 6061 Series 3 alloy frame, with a burly double butted tubesets for the best ride quality and stiffness, tapered headtubes for maximum strength on big jumps, and horizontal drop out with slotted IS disc brake tabs.

LEARN MORE

Marin Series 3 aluminum decal on the Alcatraz chainstay

SHORT CHAINSTAYS

We have optimized the chainstay length of the Alcatraz to make sure you can have the shortest chainstays possible, giving you the ability to pop a wheelie or manual anywhere at anytime.

Rear dropout image of the Marin Alcatraz

135X10MM HORIZONTAL DROPOUTS

The Alcatraz features 135x10mm horizontal single speed only dropouts — the standard in dirt jump technology for axle and dropout strength.

Profile view of the Marin Alcatraz showing handlebars and internal routing

AMBIDEXTROUS INTERNAL ROUTING

The location of the internal routing port allows for the rear brake to be located on the left or right hand side of the handlebars.

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