This is a longer front brake line for the ABS equipped F800S/ST. For use with handlebar riser when an longer brakeline is needed.
Before ordering this part, determine if you need it. Trace the brake line from the resevoir near the front brake. If it only goes about a foot to a junction block under the handlebars on the front of the frame, buy this with your handlebar risers. If it loops back up on top of the engine, you should be able to re-route the cable and do note need this part.
This line is US DOT approved, but is not Austrailian ADR approved.