SRAM Red XG-1290 12-Speed Cassette 10-33T

The workhorse of X-Range gearing. The SRAM Red XG-1290 12-Speed Cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings.

Features

• Designed for smooth and fast shifting
• Gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range
• 10-tooth start helps provide a wider gearing range
• Designed to work with an XDR driver body
• One-piece machined steel X-DOME design for weight savings
• All Zipp wheels starting from 2012 are XDR ready

Specifications

• Speeds: 12S
• Gearing: 10-33T
• Technologies: XG, XDR, X-Dome
• Cog Sizes: 10,11,12,13,14,15,17,19,21,24,28,33