Derailleur back rear Ultegra RD-6870 11 speed Di2 11s DK07. This happens in both directions. Sold as is for parts or repair.
eBay
Road Bike Brake Gear Shift Covers Rubber Bike Handle Sleeves Protector For Shimano For Ultegra Di2 ST-6870 Cycling Accessories
Aliexpress UK
What’s included: Shifters (ST-R785), front derailleur (FD-6870), rear derailleur (RD-6870), brake calipers (BR-RS805), battery (BT-DN110-A), Di2 wires, junction box A, junction box B. Gearing: 2x11 speed.
eBay
Bicycle Brake Gear Shift Covers Hoods For Shimano Ultegra Di2 ST-6870 Dual Control Lever Parts Bracket Cover Cycling Accessories
Aliexpress UK
The Shimano Ultegra Di2 FD-R8050 Front Derailleur is a high-quality aluminium component designed specifically for road bikes. Made in Japan by the renowned brand Shimano, this front derailleur is compatible with Shimano components and features electronic cable pull for precise gear changes. With a direct mount design, this derailleur is lightweight and efficient, perfect for enhancing the performance of your road bike. Upgrade your bike with this durable and reliable front derailleur to improve your overall riding experience. In like new condition - Dispatched with Evri Tracked
eBay
Di2 Universal Charge Cable XT XTR SM-BCR1/BCR2 Controller Display Charging Dura-Ace Ultegra for Shimano 6870 9070 8050 8070 9150
Aliexpress UK
Purchased new spring 2022, no use since summer 2024. Only ever installed on my TT bike - which means it did get much use anyway :) TT bike mostly just used on the turbo, rather than outdoor riding. A clean, light use second hand part in full working order.
eBay
Bicycle Aluminum alloy ceramic rear derailleur 16T-16T pulley Guide Wheel for 6800 6870/6770/9000/9070 bicycle rear derailleur
Aliexpress UK
use for Ultegra Di2 RD-6870-GS (Long Cage) Type Rear Derailleur Plate Axle Assembly Brand Shimano MPN Does Not Apply UPC Does not apply Part Type Bicycle part .
eBay
Shimano R8170 Di2 2x12s Groupset ULTEGRA R8100 Crankset 11-30T 11-34T Cassette FD RD R8150 Derailleur For Road Bike Groupset
Aliexpress UK
This is a used Shimano RD6770 Di2 10-speed. The pulleys have been replaced with RD-6870s. Made in japan.
eBay
RRSKIT Bicycle Battery Charger Adapter For Shimano 12-Speed Di2 For Dura-Ace R9200/Ultegra R8100/105 R7100 Electronic Derailleur
Aliexpress UK
ST-6870 2x11S. Electronic Di2 Component Set. Slightly used, with noticeable scratches and dirt throughout. There are noticeable scratches, scuffs, minor rust, and dirt. FD-6870 Direct Mount. The goods are all in the photograph.
eBay
RRSKIT Bicycle Battery Charger Adapter For Shimano 12-Speed Di2 For Dura-Ace R9200/Ultegra R8100/105 R7100 Electronic Derailleur
Aliexpress UK
Not compatible with Shimano Dura-Ace 9100/9150 and Ultegra 8000 series rear derailleurs. Features hardened steel bearing races.
eBay
Shimano ULTEGRA Di2 2x12s R8150 Groupset R7000 Brake Caliper R8100 Crankset Cassette R8150 Derailleur For Road Bicycle Bike Set
Aliexpress UK