SHIMANO cassette SZOSA DURA ACE CS9100 11-speed, 11-28T,

The Dura-Ace R9100 bicycle cassette from SHIMANO is a completely redesigned road group for professionals. Every component of it has been designed from the ground up to create the most innovative component group of all time. The cassette's spider is made entirely of carbon and aluminium, while the five largest cranks are made of titanium and the smaller cranks are made of durable steel, contributing to the cassette's low weight and high strength.

FEATURES:

• drum type: shimano/sram cassette
• number of rows: 11
• gear range/ratio: 12-28T
• the five largest cranks are made of titanium, the smaller ones of high-strength steel, which contributes to the cassette's low weight and high durability 
• spider made of carbon and aluminium
• excellent chain flipping precision even under load
• purpose: road
• recommended chain: Shimano CN-HG901
• weight: 205 g
• colour: silver-grey