Gear Ranges: 11x23, 12x23, 12x25 or 12x27
Weight: 235 g. (12x25)

Nickel plated Ultegra 6600 10-speed cassettes feature computer designed Hyperglide (HG) sprockets that incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. Works best with Shimano CN-6600 or CN-7800 chain. 10-speed Combinations.

Item Code: WFR-10-227