If until now it was necessary to remove the fork for the application of the bellows is now no longer indispensable. These bellows allow to be installed in a few minutes. For forks with stems from 39mm. Measures: top diameter 39mm - lower diameter 62mm - maximum length 170mm - Minimum length 90mm. Sold in a pack of n. 2 complete parts of clips in PVC for tightening.