PIREL TIRE DIABLO ROSSO IV 140/70R17

AS HOT AS HELL

The most sporty road tyre
The latest member of the DIABLO ROSSO™ family, the ultimate sports tyre for road use, delivering outstanding performance even in wet conditions.

• Maximum grip during braking, leaning, and corner exits.
• Optimized handling for increased feedback in curves.
• Structure and profile inspired by the Superbike World Championship.
• Multi-compound front and rear tyres with high silica content.
• Maximum performance on both dry and wet roads.

Custom Structure

• LYOCELL™ 3-ply structure, derived from WSBK for 190/55 ZR 17 sizes and above.
• RAYON structure, more rigid, for front and rear sizes up to 190/50 ZR 17.

Effects and Benefits

1. Optimized footprint
   Consistent footprint across various lean angles and loads, enhancing agility.

2. More rubber
   Increased rubber thickness thanks to a finer structure.
   Effect: better absorption of road irregularities, improved feel, and reduced road noise on rough surfaces.

Tread Design

• Central zone with reduced void-to-rubber ratio.
  Effect: larger contact surface for better stress distribution and enhanced cornering grip.

• New front profile with reduced shoulder curvature.
  Effect: larger contact patch when leaning.
  Benefit: faster response to rider inputs and unprecedented feedback while leaning, for enhanced feel.

Compounds

• Cap&Base layering

• FLASH grooves and FLASH tread pattern
  Effect: exceptional wet stability, with increased water evacuation as speed rises and rain intensifies.

• Reduced warm-up time and improved thermal balance.

• High-silica content compounds for unparalleled chemical grip on dry and wet surfaces.
  Effect: the sportiest tyre for road use, even in the rain.