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Amazon.com : TANGIST MTB Mountain Bike Crankset 40T/42T/44T/46T/48T BCD with Chainring Bolts 165mm/170mm/175mm Hollow Integrated Crank Set Suitable for Most Bicycles (Color : 165mm, Size : 40T) : Sports & Outdoors
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Amazon.com : Wolf Tooth Direct Mount Round Mountain Bike Chainring for SRAM Cranks (34 Tooth, Drop-Stop A, 0mm Offset for BB30 Short Spindle cranks, MTB) : Sports & Outdoors
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