The classic blue and green ZipFit laces and black lace lock tabs. Laces slide into locking unit from the narrower side, with one end of the lace on each side of the locking gear tab.
Liner size and corresponding lace size
21.5-24.5 uses a 135cm ZF lace
25.5-27.5 uses a 145cm ZF lace
28.5-31.5 uses a 155cm ZF lace