SRAM RED Aero 1x Direct-Mount Chainring Size:48t one Torx Key T25 as

one Torx Key T25 as well as a flathead screwdriver 4

Finish: SIL-TEC coating

offers the digital precision of Shimano electronic shifting and synchronized shifting

This bar provides excellent vibration damping and response

pre-assembled into the cups

SRAM RED Aero 1x Direct-Mount Chainring Size:48t one Torx Key T25 asPurpose built for SRAM RED DUB crank arms, the SRAM RED Aero 1x Direct Mount Chainring combines X SYNC chain retention with an aerodynamic profile suited to time trial and triathlon racing. Features SRAM X SYNC wide tooth, narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable X Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear