Ritchey WCS Logic 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black XLAB The Chain Catcher Professional is

The Chain Catcher Professional is a lighter version of the original K-Edge chain catcher that has been tested and proven

Grade 3 Silicon Nitride balls

This tough bag can store a 700c x 22mm tubular or a couple of tubes perfect for a low-profile repair kit or to hold the essentials

52mm chainline

Ritchey WCS Logic 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black XLAB The Chain Catcher Professional isRitchey WCS Logic 1 1 8" Threadless Headset: EC34 28. 6 EC34 30 Black. The Ritchey Logic WCS threadless headset features angular contact cartridge bearings. Logic WCS uses angular contact cartridge bearings TECH SPECS Color Black Lower Stack Height 12. 9 Bearing Type Cartridge Crown Race 30 Weight 110 Defined Color Black Upper Stack Height 15. 4 S. H. I. S Upper EC34 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower EC34