I believe giro sell spare threaded inserts, but if not I rode a pair with only two holes screwed in after I ruined the third hole trying to drill out a seized bolt and they were fine. YMMV etc
@ASTTer started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I believe giro sell spare threaded inserts, but if not I rode a pair with only two holes screwed in after I ruined the third hole trying to drill out a seized bolt and they were fine. YMMV etc