• Ritchey Comp Block Lock Headset

      • Currently Unavailable
      • We’re very sorry but we don’t know when this item will be back in stock.

Ritchey Comp Block Lock Headset

Patented BlockLock design uses a grooved headset cup and an interlocking bolt-on collar—this design prevents your handlebars from turning past 90 degrees to prevent dented top tubes and ruined frames.


  • Top cap: 16.0mm
  • Material: CrMo 
  • Fit (S.h.i.s.): ZS44/28.6 
  • OD/ID: 50/44 
  • Bearings: Sealed Cartridge
  • Weight: 64g

Buy Ritchey Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
  • Pay by PayPal, Bank Transfer or Card


Buying Guide

  • We've got everything you need to know in our buying guide.