X-Sync Road Chainring Options:46 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray That results in no-flex sprints

That results in no-flex sprints and accelerations

Secure Stowing System Locks Wrenches in Place

These same traits also make the new Tarmac easy to work on and easy to travel with

Casing: 120 TPI

X-Sync Road Chainring Options:46 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray That results in no-flex sprintsSRAM'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 tool, making gearing changes a breeze Chainring bolts not included