Made from 6061 billet aluminum, Bolt's low-profile design stays clear of the track at all lean angles The tapered base of the spool guides lifting forks toward the outside of the spool, away from the swingarm, for scratch-free lifting All mounting hardware for M6, M8 & M10 mounting holes is included along with installation instructions Hardware meets or exceeds OEM specs Designed, fabricated and assembled in the U.S.A. with fastener components from Taiwan. SWINGARM SPOOL UNIVER SL