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)1/21 22723(5:3/1/23:AR 31323(30:3/17/23:ari 3/18(-1) 70523(20:7/21/23 80323(30:3:8/28/23:ari-8/03/23:10:9/15/23:ARI 12224(30:1/25/24:ari