Ritchey Logic-E Cartridge Drop In Upper Headset - IS42/28.6 MFPN=HXCGXBXB1 modes give you safety options

modes give you safety options for day and night time biking

also some panniers will not fit oversized tubing and rack will not allow for BOB trailer compatibility

37 BB/Frame Interface English BB Shell Width (mm) 68 Weight 50 Spindle Interface Type 392 EVO Spindle Length 73 Defined Color Black

Non-slip reversible jaw fits 36

SRM and Quarq

Ritchey Logic-E Cartridge Drop In Upper Headset - IS42/28.6 MFPN=HXCGXBXB1 modes give you safety optionsRitchey Logic E headset is designed to work with Shimano STEPS or Di2 routing the cable through the frame without the need to modify fork or frame. S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless Color Black Bearing Type Sealed Cartridge Weight 44g Interface Type IS42 Drop In