Full Speed Ahead Energy Modular Direct Mount Chainring - Black Outer Ring Size:48T Firmware updates available through Shimano's

Firmware updates available through Shimano's E-Tube project

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5-75mm travel) 525lb Black

Full Speed Ahead Energy Modular Direct Mount Chainring - Black Outer Ring Size:48T Firmware updates available through Shimano'sFull Speed Ahead's Energy Modular Direct Mount Chainrings are designed for 2x road and gravel cranksets and feature shifting ramps and stainless steel pins on outer rings. Precision CNC machined AL7075 T6 Shifting ramps and stainless steel pins on outer rings Black anodized finish Laser etched logo Compatible with Modular cranksets Tooth Count 48, 50 Round or Oval Round Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount