The robust 3 mm GreenGuard protection and reinforced sidewalls make this tough Balloonbike tire a real slogger. ECE-R75 approved, comfortable and resilient. The perfect choice for cargo bikes and every kind of E-Bike.Specifications:- Performance: DD, GreenGuard - Compound: Endurance Technology:E-Bike Ready 50:- What To Look Out For With Faster E-Bikes? Special Ires Are Necessary For Fast E-Bikes. The Best Solution Is Tires With Ece-R75 Certification, Valid Throughout Europe. All Our Energizer Tires Bear The Mark And Are Valid On Vehicles Up To 50 Km/H.Performance Line:- Excellent Quality For Intensive Use. These Are The Best Value For Money Tires.Double Defense:- The Twin Protector. High Density Guard + Snakeskin. More Safety For Light Off-Road Tires Is Impossible. Recycling:- Old Products Made Of Natural Rubber (Such As Gloves, Tubes...) Are Crumbed And, Over Several Procedural Steps, Used As Base Material In The Puncture Protection System.