SRAM RIVAL X-SYNC ROAD AERO DM CHAINRING Size:42T Featuring a dual piston design

Featuring a dual piston design for strong and smooth braking power

whisper-quiet operation

where a wide tooth follows a narrow tooth

eBike Alarm costs €4

2 piston brake caliper

SRAM RIVAL X-SYNC ROAD AERO DM CHAINRING Size:42T Featuring a dual piston designThe one piece Sram Red 1x12 speed Direct Mount chainring provides faster, smoother and safer gear changes with less wear on the new designed tooth profiles. Features SRAM 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 you're always in the right gear Specification Use: Road Group: Rival