SHIMANO DURA-ACE Di2 REAR DERAILLEUR, RD-R9250, 12-SPEED,

Ports: 1x EW-SD300, 1x EW-EC300

Shadow RD

With their sophisticated technology, Shimano Shadow RD rear derailleurs are especially intended for more aggressive riding style. Their super low profile design carries many benefits. Thanks to the low profile and a single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.

Material: aluminium, carbon fiber reinforced polymer (CFRP)

Compatibility:

chain: CN-M9100, CN-M8100, CN-M7100, CN-M6100

Weight: approx. 215 grams (manufacturer's specs)