Ultegra R8000-GS 11-Speed Med Cage Rear Derailleur sleeping mat Power Requirements: 100-240V~1

Power Requirements: 100-240V~1

Hold up to extreme conditions which can destroy ordinary lubes

Full zipper at center front with zipper garage for comfort and handwarmer pockets for warmth

Customized options

the Italian-made Butterfly represents the best in all that research and development

Ultegra R8000-GS 11-Speed Med Cage Rear Derailleur sleeping mat Power Requirements: 100-240V~1Updated with a Shimano Shadow design, the Shimano Ultegra 8000 rear derailleur offers a sleek appearance and optimized shifting performance. Covers: 11 28T to 11 34T Series: Shimano Ultegra R8000 Series Color Series color Average weight 210 g B Axle_Hollow axle Cable adjuster Compatible chain HG EV 11 speed HG X11 Direct attachment (Conventional) X Fluoric coated link bushings: 4 Low sprocket_Max: 34T Low sprocket_Min: 28T Max. front difference: 16T