Full Speed Ahead Energy Modular Direct Mount Chainring - Black Outer Ring Size:48T } Includes return spring

} Includes return spring

Firmware updates available through Shimano's E-Tube project

Tubeless valve and tape included Brake Compatibility Disc Only Rim Width (Internal) 30 Brake Track None Manufacturer Spec ERD (mm) 601 Material Carbon Valve Presta Color Carbon Weight 535 Wheel Size 29" Defined Color Carbon ISO Diameter 622 / Road / 29" Eyelets None Hub Drilling 32 Rim Joint Carbon Rim Depth (mm) 22 Rim Material Carbon Tire Type Tubeless Ready

Travel like a pro and avoid airline issues

5-75mm travel) 525lb Black

Full Speed Ahead Energy Modular Direct Mount Chainring - Black Outer Ring Size:48T } Includes return springFull 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