Hudz Dura Ace 7800 - Medium/Soft Black OE part number: Y-6JA 98100 More-gradual up-sweep to the front tip of the hood Hudz signiture finger contours on underside Nearly 10mm of additional height added to the lever in strategic locations to fit and support your hand For use with 10-speed Shimano Dura Ace systems in the 7800 series including 7800, 7801 and 7803 STI levers. Not compatible with 8- or 9-speed Shimano STI levers