SRAM RED 1 Crankset - 170mm 12-Speed 50t Aero Chainring 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 ERD- Airtrim is not an air

Airtrim is not an air filter

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 Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Aluminum Defined Color Black Direct Mount Type Direct Mount CINCH

Thanks to its flip-flop design

helping to distribute the skier’s weight more evenly and reduce the local pressure of the base against the snow

Base: K7000 Universal 2

SRAM RED 1 Crankset - 170mm 12-Speed 50t Aero Chainring 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 ERD- Airtrim is not an airSingle ring drivetrain simplifies functionality and reduces weight Direct mount aero chainrings for better aerodynamics X SYNC wide tooth, narrow tooth chainring technology provides maximum chain control Ultra light hollow carbon fiber crankarms are 29 g lighter than previous generation DUB bottom bracket adds durability and simplicity Can be upgraded to a power meter SRAM Model ID: FC RED 1 E1 TECH SPECS BB Inclusion No Primary Color Black Chainline