This Swix Ferrule roller 2011 is a crucial spare part for your roller ski poles, designed to provide reliable performance on asphalt. It features a lightweight yet durable hard metal spike, ensuring optimal grip and longevity during your training sessions.The spike is securely molded into the ferrule, enhancing overall strength and reliability. This ferrule is specifically engineered for 10 mm pole shafts and requires glue for secure attachment.## Features* Designed for roller ski poles* Lightweight and durable hard metal spike* Spike securely molded for maximum strength* Provides optimal grip on asphalt## Specs* Diameter: 10 mm* Attachment: Requires glue