SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black CheckoutSpec= Polar Grey HOLLOWcage uses full ceramic bearings

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

17mm deep socket

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

Color Black Weight 720 Weight Limit (lbs) 40 Requires Eyelets Yes Tube Diameter 10 Platform Dimensions 12 x 4

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

SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black CheckoutSpec= Polar Grey HOLLOWcage uses full ceramic bearingsSRAM 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