Adjustable from 35-45 mm.
No need to wrap the seal with tape.
To facilitate the installation of a new seal on a motorcycle front fork. Replaceable plastic washers are available - see Laser part no. 1501.
Helps prevent damage to the seal during assembly.
If the leak is allowed to continue, oil will flow out of the fork directly onto the brake calipers. Eventually, the oil will run out and clog the bushing surfaces, allowing the fork legs to slide, locking the front end.