ULTRADYNAMICO Brut Robusto

ULTRADYNAMICOSKU: RF2921BAX-UDBRP-B

Price:
Sale price¥12,650

For international shipping, Japanese consumption tax is exempted. For domestic shipping, Japanese consumption tax applies. Shipping fees will be added at checkout.

Stock:
In stock

Description

ULTRADYNAMICO, the rising star of the tire world, debuts a tire designed for high-speed dirt riding

ULTRADYNAMICOis an up-and-coming tire brand founded by Ron—aka ULTRAROMANCE —and his longtime friend Patrick—aka ULTRATRADITIONAL.

Believing that bicycles are a fusion of practical and artistic design—symbolizing the perfect balance between functionality and style—they drew upon their years of experience riding across all terrains, their passion for high-end rubber,sharp design insight, and elementary-school-level scientific knowledge to create a tire capable of riding the best gravel roads in the galaxy.

Developed with dry, high-speed roads in mind, the “BRUT” is a model that falls between the CAVA and ROSÉ in terms of tread depth. The goal was to create a tire that rides smoothly on paved roads while delivering more solid grip on dirt than the CAVA.
The BRUT Robusto offers improved durability compared to other BRUT models.

It features a special casing that is resistant to side cuts, allowing you to tackle rough terrain with ease.

The densely arranged micro-triangle pattern creates a smooth ride on paved roads while delivering excellent braking power and traction on singletrack and technical terrain. It offers stability that isn’t compromised by road conditions, even when pushing for speed.

The name “BRUT” signifies “raw” and “refined” performance.
It means “dry” and evokes a stoic character stripped of all excess.
At the same time, the ride feel provided by the high-TPI casing is surprisingly clear and direct, yet also possesses a certain suppleness and “sweet” (i.e., appealing and addictive) sensation. The coexistence of these contrasting elements creates a ride experience of exceptional purity.

Since it’s tubeless-compatible, we recommend using it tubeless to fully bring out its best qualities.

Manufactured by Panaracer, a source of pride for Japan. Why not try this dynamic tire that combines function and beauty?

You may notice slight color variations on the sidewall; this is a normal part of the product’s specifications, and we ship these items as standard. We appreciate your understanding. Additionally, the shade of the casing may vary by model, such as Rose or Cava.


[FEATURE]

  • High-quality, high-TPI casing inspired by the street bazaars of Morocco (colors vary from amber to deep red-amber)
  • A race compound that delivers excellent speed and grip in all conditions
  • Tube-less compatible
  • Tread rubber extends to the sidewalls to enhance protection without compromising the ride feel of the lightweight, supple casing
  • Tube-less compatible

[SPEC]

Size:29 x 2.1 (53-622)
Weight: 740g
Recommended Air Pressure: Up to 40 psi

*Since this BRUT is a lightweight and supple performance tire, it is best used at the recommended air pressure. As a trade-off for its appealing flexibility and speed performance, its long-term durability and stability when used tubeless may be slightly inferior.

 

  1. Orders are shipped within 1–2 business days after payment is confirmed. Orders placed by 10:00 AM are generally shipped the same day.
  2. Messenger delivery is available within Nagoya City only (excluding complete bikes and framesets).
  3. We ship every day from Monday through Sunday, except on temporary closure days.
  4. Shipping destinations: throughout Japan and worldwide.
  5. Shipment may be delayed depending on credit card processing. If you would like to request a delivery date or time, please add a note in your cart.
  6. All orders are shipped from Circles.
  7. For damage or loss during transit, please contact the carrier.

Complete Bike Shipping within Japan

  • A shipping fee of ¥9,900 (tax included) applies to complete bikes. Additional charges may apply for Okinawa and remote islands.
  • After purchase, we perform a final inspection before shipping. Please allow 1–2 weeks in some cases.
  • For packing, some parts may be removed. We strongly recommend having the bike reassembled and checked by your local bicycle shop before riding.
  • We will contact you by email with delivery details.
  • Products are also sold in-store, so availability may change before the order is finalized.

Frameset Shipping within Japan

  • Flat-rate shipping within Japan: ¥5,500 (tax included). Additional charges may apply for Okinawa and remote islands.
  • Shipping rates for OMNIUM framesets and complete bikes differ.
  • We will contact you by email with delivery details.
  • Facing and tapping preparation for framesets purchased from Circles is available at no additional charge. Details will be provided after purchase.
  • Headset and bottom bracket installation are also available for an additional labor fee. Please contact us if required.

Custom & Stock Wheel Shipping within Japan

  • A shipping fee of ¥2,000 (tax included) applies. Additional charges may apply for Okinawa and remote islands.
  • Stock wheels undergo a final inspection by a mechanic before shipping. Please allow approximately 3 business days for dispatch.

For international orders, shipping costs vary by destination. Please check the amount shown at checkout.

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