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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
5mm ultra thin width
The center tube spacer is a standard 51mm width so no additional internal spacers are needed
Wicks moisture
21” Chain Stay Length
DER SUNRACE RDM37 GS 7s DIRECT BKw/REMOVABLE HANGER bmx 5mm ultra thin width6 7 speed MTB rear derailleur Engineered polymer and steel construction Direct mount with optional hanger included SHIMANO Equivalent RD TY21 RD A070 Speed: 7sp Max: 30 Wrap: 37 Cage Mount: Mid Ratio: 2to1 Color: BLK Wgt: 265g
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