SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black CheckoutSpec= Polar Grey Compatible with 11-34T through 11-38T

Compatible with 11-34T through 11-38T 9-speed cassettes

8 Color Silver Weight 150 Material Alloy Defined Color Silver Stack Height 41 S

HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision

It uses a 220-degree clamp that fits a wider variety of riser bar bends and still packs a dramatic increase in stiffness and strength over competitors designs

SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black CheckoutSpec= Polar Grey Compatible with 11-34T through 11-38TSRAM 42 Tooth 107mm BCD x 4 Bolt 1x12 Speed X Sync Chainring Blast Black. SRAMs X Sync Road Chainrings are designed for provide maximum control when used with AXS road cranksets. 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 youre always in the right gear Can be installed with a single