Shimano spare part flat-mount fixing bolt 43 x 5 mm for DURA-ACE BR R9170 rear brake calipers and 30 mm thick rear stays
The fixing bolt for Shimano Flat Mount brake calipers. Shimano also offers these bolts in different lengths to suit rear stays of varying thicknesses.
You need bolts that are 13 mm longer than the thickness of the rear triangle strut.
Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com