SRAM Red 1 AXS DM Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount 46 DUB 172.5mm Black Road ModelNumber=D1421 }SRAM Rival 2x12-Speed Outer Chainring

}SRAM Rival 2x12-Speed Outer Chainring - 48t 107 BCD Black For use with 35t Inner

7mm square hardened steel chain

SRAM Model ID: AC-CM-MM-A1

Triple X-durability KMC chains are put through a heat treatment process three times to maximize strength so the chain last longer and goes farther

a one-year warranty

SRAM Red 1 AXS DM Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount 46 DUB 172.5mm Black Road ModelNumber=D1421 }SRAM Rival 2x12-Speed Outer ChainringSRAM RED 1 AXS Crankset 172. 5mm 12 Speed 46t 8 Bolt Direct Mount DUB Spindle Interface Natural Carbon D1. The SRAM RED 1 AXS crankset features exceptional 1x drivetrain design. It provides the simplicity and tighter gearing range that is well suited for road racing and riding in flatter terrain where a wide range would go unused. The crankset is designed specifically for electronic shifting and can be upgraded to a power meter. Single ring drivetrain