Sram Rival 12S 107 BCD chainrings

A tight and consistent 13-tooth gap between chainrings delivers accurate and dependable shifting and is the core of our X-Range gearing. Sram 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.

Features

• Crisp and accurate front shifts.
• Durable finish.
• Material: aluminum.
• Speeds: 12.
• Color: black.
• Real weight: 28 g (33T) 34 g (35T), 149 g (46T), 162 g (48T).
• Chainring Size: 33T, 35T, 46T, 48T.
• Bolt Circle Diameter (BCD): 107 BCD.

Technology

X-Range
With X-Range, you're always in the right gear. Road bikes are faster and more capable than ever, and riders are evolving with drop bar bikes. X-Range is the gear for today's road riding. Sram has completely reimagined the chainring for a wider and more useful range, as well as AXS' smarter shifting settings.