By Iruka
Iruka S
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Introducing the Iruka S, a stylish and practical folding bike from Japan. Featuring a sporty riding position, gear ratio and tyre choice, it provides excellent performance and control while remaining lightweight and agile. Available in five different colours, it's the perfect choice for the cycling enthusiast.
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Warranty
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FAQs
FAQs
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Ride beyond limits: Discover Iruka S Features
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A transformer
Iruka is a transformer bicycle which changes its form into four modes to suit the scene. No tools are required to fold or unfold. Expand your mobility with the touch of a hand.
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It’s a breeze
Small wheels don’t mean a small ride. Iruka’s 18-inch wheels propel you one and half times more than your average single speed commuter bicycle with a single pedal rotation in top gear. Precise gear ratio settings, a high rigidity frame that efficiently converts pedaling force to propulsive force, and a stable geometric design that ensures stability at high speed.
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Compact. For impact
Iruka can be folded 30% smaller than ordinary folding bikes(*1). The perfect rectangular folded shape fits in a car trunk, on a train seat, under your desk, or any other space. And it easily fits a narrower space when stored vertically(*2). *1 W78cm x H48cm x D35cm Compared to a 20-inch folding bike’s volume (W x H x D) *2 It’s not standable when putting vertically.
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Optimized to be zippy
Agility and flexibility are key when riding in cities, as well as speed. But with iruka you needn’t worry. The 18-inch wheels handles frequent starts-and-stops well, the Shimano internal geared hubs make it highly-capable for high-speed cruising or steep climbing, and the small rotor disc brake operates efficiently and effectively.
The Mobility Transformer
Four Iruka Bike Modes
Specifications
Jackknife Frame
The jackknife frame. A pair of symmetrical arcs gives iruka its distinct look. The rear wheel folds into the center slit, enabling the bike to fold beautifully compact. iruka’s highly rigid structure is achieved by doing away with the hinge on the top tube – the backbone of a bicycle – resulting in unsurpassed rideability and portability.
Front Fork
With our newly developed telescopic folding mechanism, we boldly designed the front fork with only a single cantilevered bar supporting the wheel from the left. The front and rear wheels can fold parallel and coaxial to one another, allowing the bike to be easily rolled while in the folded position.
Rear Fork
With the rear wheel folded, the bike stands on its own, resting on the front end of the rear frame. The elastomer suspension is mounted at the joint of the main frame, absorbing subtle vibrations while on the road.
Stem and handle post
Due to our custom telescopic folding mechanism, rigidity at the base of the stem – typically a small folding bike’s weakest point – is drastically increased. The adjustable height handle post can accommodate a wide variety of riding positions. And it becomes your bag carrier when you attach iruCatch.
Internal Geared Hub
An internal geared hub has many advantages: it is largely trouble and maintenance-free and you can change gears even when stationary. For iruka we chose the high-quality and reliable Shimano internal geared hubs. It assures peace of mind even when riding on difficult roads with numerous ups and downs and frequent starts and stops.
Brake
The mechanical disc brake has a 140mm small diameter rotor installed. It is excellent in braking force and operation, and works reliably in bad weather conditions.
Chain Tensioner
It maintains optimal tension during riding and takes up the slack to prevent chain slippage when folding the bike.
Wheels
The 18-inch wheels are a good balance between steady speed and sharp maneuverability. In Walk mode, the wheels act as casters for rolling.
Coupler
A coupler connects the iruCarry and iruCart attachments. It also supports iruka in an upright vertical position in Sleep mode.
Blog posts
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The Birth of iruka: A Journey of Innovation
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The 4 Versatile Modes of the Iruka Bike
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Iruka C vs. Iruka S: Detailed Feature Compariso...
Get a free test ride
Embark on the ultimate biking experience by booking a free test ride with us today. Feel the thrill of the ride firsthand and explore the superior features of our bikes. Visit any of our stores to witness a diverse range of models and accessories curated to elevate your biking adventure. Our knowledgeable staff is ready to assist you in finding the perfect ride that suits your preferences and needs.
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