105 Di2 RD-R7150 GX T Rails: Chromoly

Rails: Chromoly

including an insulated compartment to protect strings from temperature variations

Strung weight (grams) : 326

X01 Eagle™ takes everything you love about our pioneering 1x drivetrains and increases its wear life

105 Di2 RD-R7150 GX T Rails: ChromolyWide 36T compatible 12 speed Di2 rear derailleur. Receiving the wireless shifting signal from the shift lever, the SHIMANO 105 rear derailleur completes a shift in the blink of an eye with its high performance motor and optimized link structure. This is the hub of the Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. A low profile design reduces damage from contact and falls.