The Motion Pro Fork Spring Compressor Kit is designed to facilitate the installation of fork caps on motorcycle forks with significant spring pre-load. It is compatible with most 39mm and 41mm Harley-Davidson forks, reducing the risk of damage to fork caps during installation. Features: Assists in installing fork caps on forks with substantial spring pre-load Compatible with most 39mm and 41mm Harley-Davidson forks Minimizes the risk of damaging fork caps during installation Specifications: Designed for 39mm and 41mm fork tubes Suitable for Harley-Davidson models Majority of our listings are for a direct replacement for your original part. Our parts are made of quality and are designed to meet or exceed the original OEM Standards. Our products are often a cost effective alternative to genuine OEM Parts. Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.