Campagnolo CS-501 Steel 11t Tooth 9/10s Lockring New
MSRP $35+

The Campagnolo Cassett Lockring 10-spd 11T is for use with post-1999 Record or Chorus hubs and cassettes that begin with a 11 tooth cog position. Steel. 15 g.
  • Fits 2000 and newer Campagnolo wheels
  • Fits all Fulcrum wheels
  • Fits 1999 Record/Chorus hubs and all Campy hubs 2000-newer
  • 27.0mm thread OD
  • For use with Campagnolo cassettes with 11 tooth first position cogs
  • Lockring has a 35.2mm flange diameter

Shipping and handling within the US will be determined by destination. For international shipping, please contact for an estimate. To most international destinations (Brazil, Mexico, Chile, Russian Federation, Thailand, Ukraine, and others) we require Express Mail International shipping be used. Combined shipping is available and recommended.

Please be advised, all purchase cancellations and returns, will be subject to a 4 percent payment processing fee until further notice. This is due to the fact that Paypal, and other payment services, do not refund their processing fees for transactions. Even if a purchase is cancelled or returned.