SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black CheckoutSpec= Wire Thumb Throttle - An ergonomic

Thumb Throttle - An ergonomic below-the-bar trigger throttle on the left hand side is easily engaged with your thumb while simultaneously eliminating joint fatigue

A half-twist throttle is easily engaged with a flick of the wrist to deliver pure power on demand

3-1/8" rim/tire height and up to 2-5/8" wide tires

Suggested for road and commuter use

180 mm rotor Rear Two-piston

SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black CheckoutSpec= Wire Thumb Throttle - An ergonomicSRAM'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 Ring