Factor Flat head screw M4 x 12 mm for O2 / OSTRO / Hanzo

Factor M4 flat-head bolt 12 mm for dropout insert and bottom bracket cover. Compatible with O2, OSTRO, Hanzo and other Factor frames and forks.Compatibility: O2 frame (2020 model) O2 Disc frame fork (2020 model) O2 V.A.M. Disc frame fork (2020 model) LS Di