SIMWORKS Doppo Locust Frame Set


Size: Large


The newly Simworks Doppo, named Locust

All of the off-road trails that SimWorks and Circles crews love so much are part of nature's delicate nature, and if you trample them without thinking, they quickly become nothing more than wasteland. It is certainly interesting to drive on rough terrain. But what if all of nature were a wasteland? Surely nothing would be interesting anymore.

There are steep mountains, forests with towering giant trees, and streams running through them.
Sometimes there are wildernesses full of rocks, and sometimes there are deserts covered with sand as far as the eye can see.
Off-roading is interesting because of the many faces of nature.

Like a locust grasshopper, the Locust is a reminder not to destroy this delicate nature, but to flap its wings without fear, even into uncharted territory.

The newest addition to the SimWorks Doppo series , Locust , redefines and restructures the Doppo MTB to meet the needs of today's off-road touring bike users, adjusting specifications and sizes to encourage more cyclists to venture into the wilderness, We've also re-launched with a new color scheme.

In addition, the key concept of the Doppo series was designed and built with one simple thought in mind: "Be the best tool to get you out of the way and on your own path. and with this simple thought in mind, we designed and manufactured the product. Please note that Locust is the most rugged model in the series.


  • Size : M, L, XL
  • Frame : Chromoly Tube (Tange no.3)
  • Fork : Doppo Original MTB (Offset 47mm / Length 465mm)
  • Head Size : Top ZS 44mm, Bottom EC 44mm
  • Brake Style : IS Mount(Front, ~180mm) , Post Mount(Rear, 160mm)
  • Max Tire Clearance : 27.5×2.8″ , 29×2.4
  • Front Wheel Fix : 110x15mm Thru Axle
  • Rear Wheel Fix : 148x12mm Thru Axle
  • BB Shell : 73mm BSA Threaded
  • Component : MTB
  • Bottle Cage Mount : 2
  • Cargo Cage Mount : 3 (Fork x2 , Under The Down Tube x1)
  • Dropper Post : Stealth Dropper Post Routing on Seat Tube
  • Recommend Suspension Stroke : 120mm

Recommend Ride Area

Trail 55% - Gravel 40% - Road 5%


    Forks included in the frameset are also available separately.

    1. We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
    2. Messenger delivery is available within Nagoya City only.
    3. We ship every day from Monday to Sunday, except on temporary holidays.
    4. Available delivery areas: All over Japan and the world.
    5. Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
    6. The product will be shipped from Circles.
    7. Please contact the shipping company in case of damage or loss during shipping.

    Regarding the delivery of complete bikes

    • Please note that a separate shipping fee of 9,900 yen (tax included) will be charged for shipping complete bikes. (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
    • After receiving your order, we will do a final check and ship complete bikes, but it may take 1-2 weeks. Please understand.
    • We will send the bike with some parts removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
    • We will inform you of the delivery date and other details by e-mail.
    • We apologize for any sales discrepancies at the store.

    Regarding the delivery of frame sets

    • Nationwide flat-rate shipping: 5,500 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
    • We will inform you of the delivery date and other details by e-mail.
    • We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
    • We can also install a headset and BB for a fee, so please feel free to contact us.

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