The Pirelli Angel ST 120/70ZR17 58W TL (Front), manufacturer part number 1868400, is a classic, highly regarded Sport Touring radial front tire. It is officially recognized as the generational predecessor to the Angel GT line and remains famous in the motorcycle community as a multi-time holder of world endurance records.
🛠️ Technical Specifications
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Part Number: 1868400
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Tire Size: 120/70ZR17 (120 mm width, 70% aspect ratio, 17-inch wheel diameter)
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Position: Front use only
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Load & Speed Rating: 58W
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58 (Load Index): Certified for a maximum load capacity of 236 kg / 520 lbs
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W (Speed Rating): Certified for speeds up to and exceeding 270 km/h / 168 mph
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Construction: Radial (ZR) and Tubeless (TL)
💡 Core Features & Client Selling Points
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High-Silica Tread Compound: Formulated with a specialized high-silica blend that optimizes chemical adherence on cold, wet tarmac. It provides immediate warmth and dependable front-end traction under acceleration and braking, minimizing safety risks during poor weather.
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Neutral Handling Profile: Built with specialized front contours derived from Diablo super sport tire profiles. This design guarantees high steering precision, uniform lean behavior, and a neutral feel when turning into corners across a broad range of motorcycle chassis.
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Iconic Evolving Tread Design: Features an innovative "Angel/Demon" functional tread pattern that changes its appearance as the tire wears down. The groove layout provides fantastic durability and reliable water evacuation without causing irregular pattern wear.
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Consistent Life Cycle: Delivers predictable and linear performance throughout its lifespan. Its uniform compound behavior ensures that handling characteristics at the end of the tire's life match how it felt when brand new.