E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Bronze - 9-50T - 12 Speed Envelope Shipping Who's this item for: These

Who's this item for: These short sleeve jerseys are a great choice for Trail

Women's Specific Fit

The body is also compact and compatible with aero posts as well as round posts

Chainring sizes- 32-38T

SKS stands for "same key system" so you can make it quick and easy unlock and get riding

E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Bronze - 9-50T - 12 Speed Envelope Shipping Who's this item for: TheseThe HELIX R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance but an overall lighter drivetrain. The improved tooth profile of the Helix cassette's features Shimano 12 speed level shifting performance with the improved reliability of a steel and