The Shimano Ultegra cassette is a high-quality cassette for racing bikes. With 10 gears and a gear ratio of 11-28, this cassette offers a wide range of speeds to meet the needs of different riders. The cassette is made of durable steel and has a rigid alloy edge bracket, reducing weight and improving shifting performance. Hyperglide tooth crown design ensures smooth, precise circuits, while wear is reduced. Product specifications: - Brand: Shimano - Model: Ultegra - Type: 6700 - Bicycle type: racing bike - Number of gears: 10 - Compatible body: Shimano - Gear ratio: 11-28 - Material: steel - Primary base color: gray - Single: 10 - Usage use: chain switching - Material: Aluminum - System compatibility: 10-speed crown gear - Model: Cassette - Weight: 208 g (11-23 teeth)