SRAM Corporation Europe Rival Chain Rings Black 172.5 mm 47.5 mm

Elegant and secure direct-mount X-SYNC chainrings from the company that originated the 1x drivetrain for the ultimate in consistent chain control over the long haul.DUB TECHNOLOGY:The relationship between bottom bracket spindle and bearing is the core of DUB Technology. It's where stifness meets durability. We took it a step beyond conventional thinking and made everything simpler - better integrating the relationship between chainring, crank spindle and bottom bracket. It's this approach to developin... - Manufacturers part number: 00.6118.612.006

• The longer DUB crankshaft is suitable for bottom bracket standards for both road bikes
• Crank with wide chain line for the largest gravel tyres
• Bottom bracket for added durability and simplicity