"The Challenge gravel grinder is the best all-round band in the Challenge Gravel range. This bicycle tire offers a perfect balance between traction, bends and brakes, so that you can roll smoothly at higher speeds. The tire is designed to add stability and control, even on soft or wet surfaces. And slippery conditions. Product Specifications: - Article number: 01941 - EAN: 8855627019414 - Brands: Challenge - Model: Gravel Grinder - Material: Nylon - Bicicleta Tipo: Bicicleta de grava - Presión máxima (PSI): 60 - Impresión máxima (barra): 4 - Tamaño de neumático (pulgada): Bandype: plegado :) 700x42c - ancho de banda: 42 - neumático interno o externo: neumático: color negro: negro: negro: negro