5 JJ-----Shimano BB-UN300 BOTTOM BRACKET - STANDARD -SHIMANO quality/performance cartridge bearing square bottom bracket -Better chainline stability with chain line stabilizer -Series: Shimano Tourney TX800 Series -Fits JIS square-taper cranksets -Hollow spindle -w/o fixing bolts -Adapter material: Aluminum. 1009904(014-023)2/27--#22123(10:2/23/23:ARI 22723(30: 3/7/23:ARI---1:rtn on 3/20/23