SRAM 40 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black MFPN=00.4021.131.000 Compatible with XDR driver body

Compatible with XDR driver body

} Premium biobased formula made with natural ingredients is biodegradable and non-toxic

or 11 tool version

RS1 Cassettes are a great replacement for 10-speed road sytems

SRAM 40 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black MFPN=00.4021.131.000 Compatible with XDR driver bodySRAM 40 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