SRAM CHAIN RING ROAD 43T 94BCD 2X12 RIVAL WIDE BLACK WITH COVER PLATEA tight and consistent 13-tooth gap between chainrings delivers accurate and dependable shifting and is the core of our X-Range gearing. Our smaller chainrings paired with wide-range, 10t-start cassettes provide more efficiency and more time in the big ring. It’s modern gearing for today’s riders.