Get that hip, yet wise 40 or 42 tooth upper range, in a more economical form. The Sunrace CSMS3 10-SPEED Cassette might be your answer. It works on most current 10 speed systems from Shimano and SRAM, by simply replacing your current 10 speed cassette with this larger one. It's also a more cost effective way to go than the aftermarket expander rings, most of which can leave an uneven step in your cassette where another cog needs to be removed. This is a smooth and seamless block of cogs, designed for smooth and even gearing, while providing the maximum gear range. The 6 largest sprockets sit on 2 alloy carriers to help save weight and save your freehub from gouging. The cassette works with most medium and long cage rear derailleurs, but may require a longer B screw.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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