Ethirteen Helix Sram XD Cassette 12s 9-50T S3-Cat-HelmetsGoggles&Eyewear-GiroHelmets-Sport It’ll keep moisture out

It’ll keep moisture out

Weight 59 grams

If the bike is very dirty and / or muddy

Classic Style: Sleek black finish that coordinates perfectly with any cycling kit

Ethirteen Helix Sram XD Cassette 12s 9-50T S3-Cat-HelmetsGoggles&Eyewear-GiroHelmets-Sport It’ll keep moisture oute*thirteen Helix Race Cassette 12s 9 50T Bronze Suitable for Sram XD and XDR drivers Helix Race 12 speed, 556% Range, 384g More Range, Less Weight The HELIX Race 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