SRAM Red XG-1290 12 Speed Cassette

The Sram Red XG-1290 12 Speed Cassette offers:

• Integral piece of X-Range gearing technology and AXS drivetrains. Each cassette features a 10-tooth small cog and is designed specifically for wireless electronic shifting, improving shift performance.
• Updated design for smoother and faster shifting
• More gradual gear progression between cogs
• XDR driver body required
• One-piece machined steel X-Dome design for weight savings
• Average weight: 180 g