構えなくていいATBという選択｜MARIN MUIRWOODS 27.5が日常を広げる理由

The Choice of Stress-Free ATB | Why the Marin Muirwoods 27.5 Expands Your Daily Life

April 22, 2026

Eirin Imadegawa Kyodai-mae Annex

ATB: A Versatile Choice

The MARIN MUIRWOODS 27.5 is a bike that brings the concept of an ATB (All Terrain Bike) closer to everyday use.

It's designed for city riding but can also venture onto gravel roads and out into the suburbs. By not limiting its purpose, it naturally expands your range of activities – a bike you can connect with in that way.

For those who feel a full-fledged ATB is too much, but a regular cross bike isn't enough, this bike hits the sweet spot. The MUIRWOODS 27.5 is a very practical entry point into the world of ATBs.

This article provides a digest of the MARIN MUIRWOODS 27.5!
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2026.MARIN MUIRWOODS27.5

[Manufacturer's Suggested Retail Price] ¥123,200 (tax included)
[Color (1 color)] Gloss Gold
[Sizes (Approximate Height)] S (157-168cm), M (168-178cm), L (178-188cm)

▼ Check availability of colors and sizes here

Bringing the ATB Concept into Daily Life

Not defined by purpose. That's the essence of an ATB.

Unlike modern bikes optimized for specific uses like road, MTB, or cross bikes, ATBs transcend those boundaries.

Their appeal lies in the freedom of handling cities, suburbs, and unpaved roads with just one bike.

The MUIRWOODS 27.5 is an "entry-level ATB" that brings this concept together with a realistic price and ease of use.

Frame Design That Doesn't Limit Where You Ride

Chromoly: Combining Flexibility and Stability

The unique flexibility of a chromoly frame provides comfort on paved roads and stability on unpaved roads.

With a geometry that isn't overly aggressive, it's easy to handle at low speeds and feels secure at high speeds.

Additionally, the 27.5-inch wheels make it a good fit for Japanese body types and ensure excellent maneuverability.

Specifications That "Work Hard" from Daily Life to the Field

Simple and Practical Configuration

The 1x drivetrain with a wide gear range (11-51T) handles everything from city riding to hills and unpaved roads.

Hydraulic disc brakes (180mm front / 160mm rear) ensure stable stopping power, regardless of weather conditions.

With thick 27.5x2.35 tires and numerous mounts, it offers excellent expandability for customization and carrying capacity.

The Perfection of a "No-Fuss ATB"

The MUIRWOODS 27.5 is designed to make the versatile ATB concept accessible for everyday use, without making it feel overly specialized.

The flexibility of chromoly, the easy-to-handle geometry, and the balanced specifications all contribute to the philosophy of "not having to decide where to ride."

It's not too serious, but it's not lacking either. The MUIRWOODS 27.5 is the "just right bike" for venturing a little beyond the city.

▼ Check availability of colors and sizes here

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