- Wide range 9 speed derailleur with alloy bracket, outer link and cage
- Compatible with wide range 9 speed cassettes up to 51t
- Adjustable chain stabilizer
- DER SUNRACE RDM900 MID 9s DIRECT BK (L)
Speed: 9sp
Max: 51
Cage/Mount: Long
Ratio: 2to1
Color: BLK
Wgt: 259g
Type: Mechanical
