Marin Alcatraz Dirt Jumper returns

Bike designed with input from slopestyle rider Matt Jones

26er News
Marin Alcatraz steel dirt jumper 2017

The new Marin Alcatraz was designed with input from slopestyle rider Matt Jones.

When Marin signed slopestyle phenom Matt Jones last year, we had a feeling a new dirt jumper would soon be in the works. Over the past few months, Jones has been spied riding prototypes, but recently he began posting images of a production ready frame.

Marin Alcatraz steel dirt jumper 2017

Check out that tapered headtube.

To learn more, we dropped by Marin’s California headquarters. They were tight lipped because they’re still finalizing minor details, but they let us photograph a sample frame that MTB product manager Matt Cipes was testing.

Marin Alcatraz steel dirt jumper 2017

The new frame is alloy.

The previous Alcatraz, which was successfully ridden by Andrew Taylor, was fabricated from 4130 Chromoly. The new frame is aluminum, which is both lighter and stiffer.

Marin Alcatraz steel dirt jumper 2017

Loving that fade to black paint.

Marin wouldn’t provide any geometry numbers, but the previous version had 15.5” (393.7mm) chainstays. It’s safe to assume the new bike is somewhere in this same range.

Marin Alcatraz steel dirt jumper 2017

Horizontal dropouts allow chainstay length adjustment.

The bike does have horizontal dropouts, so you can adjust the chainstay length to suit your preferences.

Marin Alcatraz steel dirt jumper 2017

Plenty of tire clearance.

Despite the slammed rear wheel, there’s plenty of tire clearance.

Want to see the new bike in action? Check out this short video Matt Jones recently posted of his New Bike Day.

Marin Alcatraz steel dirt jumper 2017

The new Alcatraz has great lines and a killer paint job.

Anyone else have a soft spot for dirt jumpers?

For more info, stay tuned to marinbikes.com.

Photo Thumbnails (click to enlarge)

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