Shimano RD-8000 Ultegra Rear Derailleur 11-Speed Type:GS remaining inside the chain even

remaining inside the chain even in testing under full water submersion

May have minor cosmetic imperfections (paint chips/surface scratches)

especially in various weather conditions

T1710 E-Thru trainer axle M12x1

Shimano RD-8000 Ultegra Rear Derailleur 11-Speed Type:GS remaining inside the chain even*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