Ritchey WCS Drop In Integrated Upper Headset Assembly IS42/28.6 ModelNumber=C1178 Motion-sensing auto revert-to-transmit mode (AR)

Motion-sensing auto revert-to-transmit mode (AR)

Nipples sold separately Length 282 Color Black Thread Diameter 2

Xcelerator Junior comes with medium flex that is replaceable and can be changed to a harder or softer flex as needed

Does that make it an economical option for fresh excitement on the trail

The five modes make it easy to choose the best lighting output for your riding conditions

Ritchey WCS Drop In Integrated Upper Headset Assembly IS42/28.6 ModelNumber=C1178 Motion-sensing auto revert-to-transmit mode (AR)Drop in upper assembly with top cap starnut and cap for 1 1 8" steerer. 45 45 degree angular contact bearing Titanium coated for corrosion resistance S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless Color Black Bearing Type Sealed Cartridge Defined Color List Black