Doctahawk Frame

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

The Doctahwak

When it comes to all 29er mountain hardtails, this is as bad ass as it gets! Once considered unfathomable, the Doc, with geometry combining long wheel base, slack front end and steep seat angle is the quintessential do-anything hardtail sled, that proves just how capable a hardtail can be. Hand made in Canada, with our custom tubes, locally machined parts, and paired with a 170mm fork up front, there's plenty of opportunity to hear "I can't believe they rode that on a hardtail!".

4130

Almost all Chromag frames are made from quality 4130 chromoly steel tubing. Chromoly is an abbreviation for chromium-molybdenum indicating the materials that the steel is alloyed with. The added chromium helps increase the steels hardenability and also provide some corrosion resistance. The molybdenum helps to increase the toughness of the steel. It has a high tensile strength but is also malleable which is what gives our frames their notorious ride quality and feel. Chromoly is often used when more strength is required than that of mild carbon steel. It falls under the AISI (American Iron & Steel Institute) 41XX designations which is where the “41” comes from. The “30” indicates it contains approximately 0.30% carbon by weight. Chromoly is much stronger than traditional 1020 steel and it has a higher strength to weight ratio and high tensile strength, which means we can use less material and achieve a product that can withstand the abuse that riders love to throw at it.

Why we made this

It started with an envelope pushing experiment and became our staple hardcore-hardtail!

Key Features

☛ Our longest travel hardtail, designed around 170mm up front
☛ Long and slack geometry with upright riding position provides versatility in demanding terrain
☛ Handmade in Canada
☛ 29" wheels
☛ 4130 heat-treated Chromoly

What's in the box

If you ordered a full bike, you'll have everything you need to get rolling right away, prior to some minimal setup. Please note that complete bikes do not come with pedals.
Frames come with a hanger, chain stay protector and rear axle.

Product Details

• 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
• Head Angle: 62.5°
• Fork Offset: 42MM
• Seat Angle: 76.5°