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)7/5 22723(5:3/1/23 41223(20::4/14/23:ARI----#41423(20:4/17/23:ari----rtn on 4/24/23------:1:5/3/23---1:RTN ON 5/15/23---1:rtn on 5/31/23 82123(20:9/11/23:ari--1:rtn on 9/11/23----1:rtn on 4/8/24 70824(20:7/9