Shimano RD-8000 Ultegra Rear Derailleur 11-Speed Type:GS that is the reference name

that is the reference name of this saddle given by many professional bike fitters

2 dust covers installed

6" (675 x 650 mm) DIMENSIONS WHEN FOLDED 22

SERVICABILITY ALSO FIRST

Compatible with round

Shimano RD-8000 Ultegra Rear Derailleur 11-Speed Type:GS that is the reference name*New low profile design *RD SS covers: 11 25T to 11 30T*Sleek integrated appearance*Wide compatibility*RD GS covers: 11 28T to 11 34T*Race endurance*Optimized slant angle CAGE LENGTH SS Short,GS Medium TOTAL CAPACITY 35T,39T MAX FRONT DIFFERENCE 16 CABLE ADJUSTER X COLOR SERIES COLOR AVERAGE WEIGHT 200g,210g MOUNT Direct attachment (conventional) GUIDE PULLEY BEARING Sealed Bearing TENSION PULLEY BEARING Sealed Bearing NUMBER OF PULLEY TEETH 11 SERIES