The training tyre benchmark includes a strong nylon casing, secure grip, and long tread life. Using a mixed tread design, optimized for all-around use, the Zaffiro works well in a range of training conditions. Add the durable rigid-bead nylon casing, and you get a performance oriented training tyre at a great price! Key Features: Durable rigid tyres for training,Entry-level price point. Specification: a Material: Nylon 26 TPI, a Compound: 1C, a Discipline: Road Training, a Bead: Rigid, a Colour: Black.