Bicycle Parts Shimano

Now simplified with a single derailleur cage length, the 12-speed Shimano ULTEGRA R8150 rear derailleur packs fastest, most precise shifting into a more approachable option. With fastest, most accurate shifting, the 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets. Features Fastest ever rear shifting, 58 % faster than RD-R9150 Compact design includes an integrated wireless unit, charger, and switch LED status indicator Technologies E-Tube E-TUBE is Shimano's ''service'' that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and SHIMANO.…

Shimano Ultegra R8150 Di2 12-Speed Rear Derailleur The R8150 Di2 12-Speed Rear Derailleur is the heart of the latest Shimano Ultegra electronic drivetrain. It now fulfils the job of the junction box and offers Bluetooth and ANT+ connectivity as well as changing the gears. It houses the recharging point for the system’s battery and receives the wireless signals from the shifters for both derailleurs. Connection to Shimano’s app allows some shifting functions to be altered and customised to personal preference, simplifying shifting and allowing the rider to get on with the job of pedalling the bike. Shifting itself is extremely fast and accurate, with the derailleur swapping sprockets at the …

Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes.

Key Features
- Hyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear
- Wide gear range to meet the demands of all types of rider
- For use with 12-speed chains

Bike Cassette / Shimano Ultegra / Racing Bike / Steel / 11 / Configuration 11-34 Teeth

Bike Cassette / Shimano Ultegra / Racing Bike / Steel / 11 / Configuration 11-25 Teeth

Shimano Ultegra CS-HG800 11-Speed Cassette A top quality cassette is what makes the wheels turn, your gear changes smooth, and your riding experience crisp. With the Shimano Ultegra CS-HG800 11-Speed Cassette offering a versatile degree of usage, you can be sure to cover a great deal of ground with a slick rear cone offering you the wide-ranging ratios that you might need when tackling tougher stuff out on the road. Offering up an impressively broad ratio, this cassette at 11-34 teeth is ideal for both mountain bikers as well as road riders looking for a huge field to call upon when tackling really tough climbs. Lightweight at just 355 grams, and compatible with 11-speed HG-EV chains and Shimano …