Dunlop Reveal Insights into RoadSmart IV Technologies

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Following the RoadSmart IV trade preview at the end of 2021, Dunlop has released additional details on the tyre's impressive technologies.

The Dunlop RoadSmart IV is the brand's most versatile sport-touring tyre to date. It incorporates several Dunlop innovations to create a multi-talented tyre that aims to set new standards in handling, stability, wet grip, and mileage.

A tyre without boundaries

As motorcycle genres overlap, the sport-touring sector has become incredibly diverse. RoadSmart IV's design brief included naked roadsters, crossover designs, road-focused adventure bikes, hyper-nakeds, and traditional sport-tourers.

Dunlop saw the segment's expansion as an opportunity to create an entirely new RoadSmart generation. It had to meet the needs of commuters, long-distance tourers, and riders out for a Sunday morning ride. Dunlop's research influenced the design process.

Riders desired a tyre that could provide a perfect balance of outstanding dry performance and exceptional wet grip, neutral and stable handling, and consistent performance even after thousands of kilometres. RoadSmart IV arose from that brief.

Two distinct specifications

The Dunlop RoadSmart IV has been designed to fit 17 of Europe's top 20 selling motorcycles. Dunlop's development team focused on creating an incredibly versatile tyre for on-road users of adventure bikes like the BMW R1250GS, crossovers like the Yamaha Tracer, roadsters like the Yamaha MT or Kawasaki Z ranges, or larger touring bikes.

Dunlop has developed two distinct versions of the RoadSmart IV in the most popular sizes (120/70ZR17 front; 180/55ZR17 and 190/55ZR17 rear). The SP variant is designed for lighter, sportier road bikes, whereas the GT variant is designed to improve the handling of larger touring bikes.

Taking sport touring to the next level

RoadSmart IV includes a suite of Dunlop patented technologies, including innovations like JointLess Belt and JointLess Tread developed in motorsport, where Dunlop is the most successful tyre brand in Isle of Man TT history, a multiple championship winner in the FIM Endurance World Championship, and the exclusive tyre supplier to the Moto2 and Moto3 Grand Prix World Championships.

The features include:

  • Dynamic Front Formula: An intricately balanced combination of profile design, advanced materials and construction to give light and confident handling.
  • MultiTread: Proven on the racetracks, developed for the road. The rear tyre has different compounds to give the perfect balance of durability and grip.
  • Carcass Tension Control System: Different tension zones in the tyre casing optimise handling and maximise the footprint.
  • JointLess Belt: Dunlop's latest evolution of its race-winning JLB construction gives stability and precise feedback.
  • JointLess Tread: A more precise way of positioning the tread during manufacture boosts durability and consistency.
  • HiSilica: Cold or wet journeys are less of a worry with a more flexible compound at low temperatures.
  • Rayon Ply Casing: Using Rayon improves mileage and allows a rapid warm-u

Luca Davide Andreoni, Marketing Manager, Dunlop Europe: "Our research told us that road riders wanted outstanding wet grip, good mileage and confidence-inspiring handling. By bringing together a range of technologies, we've created a tyre that can cater for the demands of an incredibly diverse sector of riders and machines. Dunlop has a Just Ride philosophy of providing riders with unparalleled grip and protection, allowing them to have the confidence to focus on the joy of riding. By applying this mindset, we've created a new level of tyre in RoadSmart IV. It is a sport-touring tyre that goes well beyond the sport-touring segment."

The Dunlop RoadSmart IV will be positioned above the award-winning RoadSmart III in the Dunlop lineup. That tyre has received accolades such as a 'Recommended' rating1 from the UK magazine RIDE and a top mileage result from Germany's Motorrad Test Center2. These test results emphasised Dunlop's'stronger for longer' mileage and durability focus, which is carried over to RoadSmart IV.

The RoadSmart IV brings Dunlop's complete range of RoadSmart sport-touring tyres to over 40 sizes, covering more than 700 models and 97 per cent of the sport-touring radial tyre segment, with a 21-size and 24 SKU range.

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