The valve hole is large enough to use Schrader or Presta valves and the wheel comes with a quick release skewer

EXACT ACTUATION for precise and dependable 10-speed performance

Anti-rust treatment with tough powder-coat finish

40- and 110-Series headsets and backwards compatible with S and XX Series

Five-stars from Virginia Tech Helmet Ratings

Sram PG-850 8-Speed Cassette 11-32T Silver hydration The valve hole is largeCassette technology optimized for MTB. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Go climb a mountain. SRAM's cassette performance is optimized by material choice, tooth profile and shift ramp design for quick and positive index shifting