SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Polar Gray MFPN=00.6615.140.010 hub model X4 rear description

hub model X4 rear description end cap

Super bright taillight that pairs with the Airstream Headlight and does not require its own power source and includes seatpost mounting hardware

Adaptor backplate that allows an ISCG-05 guide to be mounted on a bike with a traditional threaded bottom bracket

Lightweight and durable 6061 Aluminium body

SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Polar Gray MFPN=00.6615.140.010 hub model X4 rear descriptionSRAM 42 Tooth 107mm BCD x 4 Bolt 1x12 Speed X Sync Chainring Polar Gray. SRAM's 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