crwdns2933423:0crwdne2933423:0

crwdns2933803:05crwdne2933803:0

crwdns2933797:0Haopeng Zhoucrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Haopeng Zhou

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

-[* black] Insert wisdom here.
+[* black] Screw out the left side (non-drive side) bottom bracket cup with a pin spanner by turning it counterclockwise.
+[* icon_note] Make sure do not lose any bearing balls once you removed the cup.