¡NEW! 38 Frameworks – Mastodon – 29+

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We’re thrilled to be able to share with our readers, in a exclusive: 38 Frameworks is releasing their new Mastodon 29+ complete bike. The Mastodon will feature a made in the USA, 7005 series, double butted aluminum frame and a White Brothers Carbon Fork. The build kit on the Mastodon is pretty darn impressive and centers around SRAM’s XX1 drive train. A medium frame weighs in at 4.1 lbs and the complete  bike is a meer 24.2 lbs! Bruce from 38 Frameworks tells us that the Mastondon will be ready by July 1st and run you $3,699.

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 Mastodon Highlights

7005 series, double butted aluminum frame tubing.

142mm rear drop out spacing for stiff rear triangle.

Medium frame weight, 4.1 lbs.

Full built bike (with highlighted kit) 24.2 lbs.

73mm bottom bracket shell.

44 mm head tube.

30.9 mm seat tube diameter.

Optimized for SRAM XX1 drive train.

Front derailleur mount and cable guides for optional 2×10 drive train configuration.

Made in the USA.

Delivery beginning July 1.

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Mastodon Build Kit

Fork – White Brothers Rock Solid

Headset – Cane Creek 40

SRAM XX1 drive train Crank, bottom bracket, rear derailleur, cassette, shifter, chain

Brakes – Avid Elixir 9, carbon lever, with 180mm rotors

Bars – Race Face Carbon Next Riser

Stem – Race Face Turbine

Seatpost  -Race Face Next SL Carbon

Saddle – WTB Rocket V Race

Grips – WTB

Tires – Surly Knard 29 x 3.0

Rims – Schlick Northpaw 47mm

Hubs – DT Swiss 350

Skewers – DT Swiss rear wheel axle and quick release front skewer

Spokes – DT Competition

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For more information visit – – Tell them Uncle Gomez sent you!


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4 Responses to ¡NEW! 38 Frameworks – Mastodon – 29+

  1. PDXFixed June 21, 2013 at 6:51 pm #

    I want my 29+ to have its fork crown just a half inch or so above the tire. I’m really not digging the super long fork/short headtube action

  2. petermac June 23, 2013 at 2:17 am #

    magic stuff. 29+ frame choice now has another option.
    looks like a sus fork will fit if required..??
    good luck 38frameworks, hope you sell many as it looks great.

  3. Dean Cornes June 25, 2013 at 12:44 pm #

    i like this alot…bet its not available in uk though

  4. r1Gel August 14, 2013 at 10:55 pm #

    Oh! If I were a rich man… yabadibidibidibidibidibidibi-dum…

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