Shimano CUES SL-U4010 9 Speed Shift Lever Size:Right 5-to-10-speed chains: replace chain at

5-to-10-speed chains: replace chain at or just before 0

Cloth finishing strips included for a perfect seal (5x per 9m and 28x per 50m roll)

Shifting under load is made possible on the GX cassette due to a combination of X-SYNC technology and cassette mapping

Shimano Ultegra R8100 series 12-speed cassette

Shimano CUES SL-U4010 9 Speed Shift Lever Size:Right 5-to-10-speed chains: replace chain atRefined lever shape and light operation for easy shifting. This lever's new shape and light operation provide riders with a comfortable, easy to use interface. FeaturesQuick lever access and light operationRAPIDFIRE PLUSEasily visible gear position indicator option improves shifting controlOPTICAL GEAR DISPLAY2 WAY RELEASESpecificationsRear speeds 9Compatible rear derailleur type LINKGLIDE system 9 speedMfr Claimed WeightTBC