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Amazon.com : LITEONE MTB Stem Mountain Bike Stem 31.8 50mm 30 Degree Short Handlebar Stem for Most Bicycle, Fixed Gear, Road Bike, Downhill Bike, Track Bike, MTB, BMX, Cycling : Sports & Outdoors
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Amazon.com : FIFTY-FIFTY Direct Mount Mountain Bike Stem, Fit for 31.8mm Handlebar Clamp, MTB Stem for All Mountain, Downhill, Enduro, Freeride(30mm Length) : Sports & Outdoors
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