4 B-----11 C-----done f ---REAR DERAILLEUR, RD-R2000, CLARIS, 8-SPEED-12/1(50--4C *2009940 (072 073)2/7 4/27sp(10:4/28 or 29eta #60520:10:6/8b/o #52920s(20 6/12ari #70720s(20:8/7 b/o 72720(50e:10/5 B/O 9/18(-2)---1: rtn on 10/5---1: RTN ON 10/13 12/1:50---50pcs on 12/16----1:RTN ON 3/15----19:10/4:ari--p.o.#21821---31:10/25:ari----1:12/15:rtn---1:RTN ON 1/7/22