alpina voorvork loopfiets mat zwartA matte black Alpina fork for a balance bike. This fork is suitable for the Lief! Black balance bike and has a fixed design. The fork is not adjustable and does not have a lockout function. It has a 13. 5 inch tube length and a 1 inch steerer tube diameter. The Alpina fork is of high quality and provides a comfortable and stable ride. Product specifications Primary base color: Black Brand: Alpina Receipt description: Sweet! Black front fork Fork type: