Shimano Ultegra R8150F Di2 12 Spd Rear DerailleurWith the fast and accurate Di2 shifting technology, the Shimano 12 speed Ultegra RD R8150 rear derailleur is extremely versatile thanks to a single cage length option Compatible with 11 28, 11 30, and 11 34 cassettes. Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket 34t LED status indicator Battery indicator, pairing, adjust mode etc. Item Specifications Cage Length: Medium Chain Wrap Capacity

performance engineered materials and the personal interface between athlete and gear

explore and take the path less travelled

our proprietary Spherical Technology™ powered by Mips® features a ball-and-socket design that helps redirect impact forces away from the brain

495g Rim Weight

groupset: SRAM AXS (electronic)

and semi-metallic)

water or tech equipment

Athletic jersey fit

Cartridge is not included

get personalized coaching that adapts to your current training load and recovery when riding with a compatible power meter and heart rate monitor

Weight: from 800 g

- Small = 51-55cm