Teased at the inaugural MADE bike show last year, the SimWorks Doppo Ronin is a modern mixed-terrain adventure bike with clearance for 27.5 x 2.22″ tires and plenty of mounting points. Dig into the details here…

You may have caught a glimpse of the SimWorks Doppo Ronin during our 2023 MADE bike show coverage (pictured above), but it was too early to share anything then. The Doppo Ronin is just one piece of a massive overhaul of SimWorks’ Doppo lineup. It was previously called the Doppo ATB but has been updated with modern specs and frame refinements, including new dropouts and reshaped seat stays.

simworks doppo ronin
  • simworks doppo ronin
  • simworks doppo ronin

What does “Ronin” mean? Here’s SimWorks’ explanation: “The name Ronin (浪人) signifies ‘wandering the world without being bound by anything.’ This ethos is reflected in its design, emphasizing versatility within the many standards and conventions of an ever-evolving bicycle landscape. It accommodates a wide range of preferred configurations and tire sizes, offering greater flexibility. The bike that you select for 90% of the riding you do—this is the essence of Ronin as a tool.”

The SimWorks Doppo Ronin is centered around a TIG-welded Tange Chromoly steel frame and a matching Chromoly fork, both hand-built by Shin Hattori Works, a renowned framebuilder from Aichi, Japan. The frame features SimWorks Original dropouts with Paragon Machine Works 142 x 12mm inserts. It has fender and rack mounts, two standard bottle mounts, a three-pack mount under the downtube, and three-pack mounts on both fork legs.

  • simworks doppo ronin
  • simworks doppo ronin
  • simworks doppo ronin
  • simworks doppo ronin
  • simworks doppo ronin

According to SimWorks, the Doppo Ronin is suitable for commuting, extended day rides on mixed surfaces, and multi-day tours. It’s offered in five sizes (X-XXL) and is convertible between 700c and 650b, accommodating tires up to 43mm with 700c wheels and up to 55mm (2.1″) with 650b (27.5”) wheels. Other specs include a straight 1 1/8″ headtube, flat-mount brakes front and rear, a 68mm BSA threaded bottom bracket, a 27.2mm seatpost, and 12mm thru-axles. All sizes except the XS have a 71.5° head tube angle, 440mm chainstays, and a low 70mm bottom bracket drop. Dig into the complete geometry chart below:

SimWorks Doppo Ronin Geometry

Size S M L XL XXL
Seat Tube Length C-T (mm) 450 500 540 570 600
Effective Top Tube Length (mm) 515 535 560 580 605
Reach (mm) 369 380 396 395 408
Stack (mm) 535 551 565 584 623
Standover with 650 x 55b (mm) 734 772 797 819 851
Head Tube Angle (deg.) 71.0 71.5 71.5 71.5 71.5
Head Tube Length (mm) 100 115 130 150 190
Seat Tube Angle (deg.) 75.0 74.5 74.0 72.5 72.5
Chain Stay Length (mm) 440 440 440 440 440
BB Drop (mm) 70 70 70 70 70
Wheelbase (mm) 1014 1027 1046 1051 1077
Fork Length (Axle to Crown) (mm) 395 395 395 395 395
Fork Offset (mm) 47 47 47 47 47
simworks doppo ronin
  • simworks doppo ronin
  • simworks doppo ronin
  • simworks doppo ronin

If the Doppo Ronin looks like something you want to ride, you’ll want to act fast. This initial batch is limited to 16 framesets worldwide, available directly through the SimWorks Web Store, as well as through a small network of distinguished SimWorks Dealers. Each frameset is painted in a beautiful rich Burgundy color and costs $2,200 USD.

Visit Sim.Works to learn more.

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