NEW e*thirteen Helix R Cassette - 12-Speed, 9-50t, Nickel groupset_family_rival Size: X-Small

Size: X-Small

Max weight of 180lbs/90kg

Pad Compound: Semi-Metallic

Anodized aluminum

Model:STW TR21v

NEW e*thirteen Helix R Cassette - 12-Speed, 9-50t, Nickel groupset_family_rival Size: X-SmallThe e*thirteen HELIX R 12 cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, and offers more range than other cassette options. 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. Works flawlessly with Shimano and SRAM drivetrains Helix R is durable and serviceable, with replaceable gear clusters Cassette Body Type: