Shimano Ultegra CS-6800 Bicycle Chain and Cassette - 11 Speed 11-25T

The Shimano Ultegra CS-6800 is a lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes.

The hyperglide EV sprockets have been designed to reduce weight with improved teeth shaping to provide accurate shifting and reduced wear. The wide gear range is designed to meet the demands of all types of rider.

Key Features:

• Compatible with HG-EV chains
• Lightweight 11-speed, 11-32T
• Rigid alloy sprocket carrier
• Hyperglide EV sprockets

The Shimano Ultegra CN-6800 is a super narrow lightweight 11-speed HG-EV symmetrical design chain for smooth shifts and maximum durability. The outer plate design has been developed to reduce the chance of chain suck.

Sil-Tec surface treatment technology (PTFE plating) is smooth running and increases durability. The inner plate has been developed for better contact with gears providing smoother shifting under high load, while also providing efficient pedalling, increased rigidity and near silent running.      

Key Features:

• 5.62 mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains
• Outer plate has been developed to reduce chain suck
• Sil-Tec surface treatment technology for smooth running and increased durability

For more information on how to keep your bike running smoothly, click here to see PBK's expert advice on taking care of your chains and cassettes.