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Prototipo Custom hardtail frame form

​A full custom geometry TIG welded hard tail frame.

Available tubings:

  • Heat treated double butted Chromoly 4130
  • Reynolds 725
  • Reynolds 520
  • Columbus Cromor

Full description below.

     Fork length is measured from the axle to the crown.  Not to be confused with the suspension travel.

    Min. 60°, Max. 85°

    For frame clearance.


    Do you want internal cable routing? 

    More information about full internal cable routing.


    Do you want water bottle mounts?




Average build time: 2 months – More information: Custom Frame Build Time
A full custom geometry TIG welded hard tail frame starts at  US$320.
Almost any geometry can be built, for enduro, all-mountain, DH, XC, dirt jump, trials, you name it.  Just submit the form and we’ll make a draft for you.  No deposit is required until  you approve the design.

Standards included:

  • Double butted heat treated Chromoly 4130 tubing.
  • Custom geometry.
  • Brake mounts: V-brakes, extra thick IS +20 disc brake mounts, or magura HS33.
  • Internal dropper post routing (seat post port)
  • Single colour powdercoat with gloss finish
  • Painted decals.
  • Vertical or horizontal dropouts.
  • Aluminum seat post clamp

Premium Extras:

  • Reynolds 725 steel tubing (+$90).
  • Sliding dropouts (includes 1 axle and 1 sliding insert): +$40
  • Internal cable routing: +$30 per cable
  • Casted post mount disc brake tabs (160mm or 180mm): +$20
  • Custom graphic or text CNC engraving: +$20
  • Fixed thru axle for SRAM UDH (Universal Derailleur Hanger) – includes 1 SRAM Hanger: +$20
  • Pinion gearbox mount: +$120


  • Worldwide shipping by Express EMS:   $110
  • Time: 4 weeks
  • Shipping cost for 2 frames: US$150

How to Order:

  1. Fill the order form and complete the checkout process, choose “Pay after confirmation” as payment method.
  2. We will email you the frame design according to your request.
  3. We’ll make any changes you ask until you approve the design.
  4. Once approved, we’ll require a deposit through PayPal to begin with the order.
  5. We’ll send you updates and pictures of the building process.
  6. Once finished, in order to ship your frame, we’ll ask you to complete the payment.
  7. We’ll send you the tracking code so you can check when the frame arrives to your destination.

Geometry Reference

MarinoBike Geometry

Color Palette

Marino Color Palette


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