Sunrace Taiwan Caset.
For mtb use.
Ratio 11-42T same SRAM XO1 - XX1.
Super big 42T,max big teeth...
Now 10speed rider can upgrade 11-42T.
Caset include RD Skru for 42T use,it's free.
Good climbing,good performance,easy shift same original ratio.
Made in Taiwan.
U need 1 for now.
Cheap price,good item.
West.m free pos.
East.m add Rm20.
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