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

8- and 10-millimetre hex keys

it repels the water and is not permeable to air reducing therefore oxidative stress on the metal surface

stability and comfort with the SPD system

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