The Bolt,flange,8x45 is the lowest priced item on this Steering Stem schematic.
This Steering Stem diagram displays the required parts for the St1300a Paneuropean 2008 (8) European Direct Sales / Abs Steering Stem.
A sample from the products for the Steering Stem include: Thread Comp,top, B/brg Rad N/com, Bolt,flange,8x45, Seal,head Dust.