The wait is over. Get that amazing 40 or 42 tooth low gear range, in a more economical form. The Sunrace MX3 10 speed Cassette might be your answer. It works on most current 10 speed systems from Shimano and SRAM. It's also a more cost effective way to go than the aftermarket expander rings, most of which can leave an uneven step and odd shifting in the cassette where another cog needs to be removed. This is a smooth and seamless block of cogs, designed for smooth and even gearing while giving the maximum range. The cassette works with most medium and long cage rear derailleurs, but may require a longer B screw to clear the large cog depending on the length of your derailleur hanger.
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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Get free 1-day California shipping with your $50 purchase today, on most orders. Please note this offer is only available to physical shipping addresses in California(no PO Boxes), and oversize charges still apply on some heavy/large items