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PT-1502NC / PT-1502ANC EC34/28.6-26TPI | EC34/30 1-1/8" * 26T, Threaded Headsets Ø25.4 * 34 *30 Bearings: Semi-cartridge ball bearings PT-1502NC: top cover steel PT-1502ANC: top cover AL6061-T6 PT-1502NC(ANC) Drawing download