RaceFace Narrow Wide Chainring: Direct Mount 3-Bolt Compatible 28t Black CheckoutSpec= 57.5-65mm/50mm Trek Spring Weight 550

Spring Weight 550

5" 15 x 110mm 6-Bolt Black

3-finger aluminum lever blade with cast aluminum one-piece clamp is durable and lightweight

}Zipp Service Course SL Stem Face Plate Titanium Bolt Kit Beyond Black

Not compatible with the SRAM 8-bolt interface

RaceFace Narrow Wide Chainring: Direct Mount 3-Bolt Compatible 28t Black CheckoutSpec= 57.5-65mm/50mm Trek Spring Weight 550RaceFace Narrow Wide Chainring: Direct Mount 3 Bolt Compatible 28t Black. Narrow Wide Direct Mount 3 Bolt Chainring7075 T6 aluminum aerospace grade strength Stiff 4mm plate thickness to transfer loads without flexing TECH SPECS Ring Position Type Chain Retaining Single Ring Tooth Count 28 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 3 Chainline Hub Compatibility 135 142 MTB Hubs