The PG1050 Cassette uses Srams WiFlLi technology, denoting Wider, Faster, Lighter. This cassette is ideally used with Sram's Apex or Rival groupsets and a double chainset and offers significant weight savings.

Key Features:

• Wider – a wider range of gears for every climb and any descent
• Faster - two chainrings shift (and set-up) much faster and more easily than three
• Lighter – as much as 274g (9.8%) less than the most popular road triple
• Much improved Q-factor - improved heel clearance
• Easier set up - two is easier than three
• Compatible with SRAM Red, SRAM Force, SRAM Rival and SRAM Apex
• 7000 Series Alloy
• Weight: 11-32 - 299 grams, 11-23 - 250 grams