2021 Hydrogen Vent Tall Sock Size:XL The HELIX R Cassette is

The HELIX R Cassette is an upgrade to any SRAM™ Eagle™ or Shimano™ drivetrain with more range than other cassettes on the market

0mm rise 20mm width 800mm up/back sweep - material aluminum color black weight 295g

Designed to strike the perfect balance between low rolling resistance and reliable grip

Fender Mount Type Velcro/Zip ties Primary Color Black Material Plastic Wheel-Tire Size Comp

2021 Hydrogen Vent Tall Sock Size:XL The HELIX R Cassette isThe Hydrogen Vent Tall Road Socks are your feets best friend for hot rides. The VaporRize Hydrogen yarns are the lightest weight yarns we use, resulting in cool, calm, and collected feet. 7" cuff height (size Medium) Mesh knit structure in the cuff provides the highest level of breathability for even the hottest rides. PowerBand mid foot arch supports the foot and secures the shape and fit where the foot needs it most. Targeted textured zone under