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"The Grandmaster hardcore hardtail"

Doctahawk

Travel

170mm

Wheels

29"

Warranty

3 Years
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Longer, lower, slacker, faster, stronger, slacker, etc etc, did we say slacker?

Colour Hok Purple
BUILD FRAME ONLY
Steel Hardtail. Limitless Terrain.

Long, slack, and unapologetically aggressive, the Doc redefines what a 29er hardtail can do.

Handbuilt in Canada and paired with a 170mm fork, it’s the kind of bike that makes people say, “I can’t believe they rode that on a hardtail.”

Chromoly Strength. Legendary Ride.

A 4130 chromoly steel front triangle delivers Chromag’s signature ride feel, while 6066 aluminum chainstays and a forged aluminum rocker add stiffness, strength, and precise bearing integration.

Inside Doctahawk

Key design choices behind the ride.

Steel Hardtail

4130 chromoly frame built to take abuse.

170mm Fork

Long-travel front end for brutal terrain.

Hardcore Geometry

Big wheels for traction and momentum.

29er Speed

Slack, steep, and long.

Tech Specs

Everything you need to know about the Doctahawk.

Wheel Size: 29" or 27+

Recommended Fork Travel: 170mm (±10mm)

Material: 4130 Chromoly Steel

Frame Weight (M/L): 6.89lbs

Hub Spacing: Boost 148mm

Headset: 44-56 Semi Integrated

Seat Clamp Size: 35mm

Seat Post Size: 31.6mm

BB: 92mm Press Fit (PF92)*

Hanger: UDH (Included)

Rear Axle: 180mm, M12 X 1.00mm - Boost 148 UDH (Included)

Brake Mount: I.S.

Frame Origin: Canada

Builder: Brad Howlett

Gallery