説明

• ZTTO Bicycle Headset Material: CNC machined AL6061 T6 SEALD BEARING ZTTO code: Upper cup/Bearing outdoors diameter+ Lower cup/Bearing outside diameter + Fork tube ("44" for OD ø44,"56" for OD ø56,"S"for Straight Tube ,"T" for Tapered Tube fork) ZTTO code is for fast search,not a accurate specifications talk over with SHIS(Standard Headset Information System) If you've any query about headset standard,Please google "headset ordinary park tool" or contact us Caution: Due to product batch,the colours of crown race and bearing will be assorted But it won&;t have any unhealthy affect on its performance 4252T "42" for OD ø42, "52" for OD ø52, "T" for Tapered Tube fork Integrated Angular Contact IS42/28 IS52/40 4252ST "42" for OD ø42, "52" for OD ø52, "S"for Straight Tube, "T" for Tapered Tube fork Integrated Angular Contact IS42/28 IS52/40(30) 4444S "44" for OD ø44, "S"for Straight Tube fork ZS44/28 ZS44/30 4444T "44" for OD ø44,"T" for Tapered Tube fork ZS44/28 EC44/40 4455ST "44" for OD ø44, "55" for OD ø55, "S"for Straight Tube, "T" for Tapered Tube fork ZS44/28 ZS55/40(30) 4456ST "44" for OD ø44, "56" for OD ø56, "S"for Straight Tube, "T" for Tapered Tube fork ZS44/28 ZS56/40(30) 3434S "34" for OD ø34,"S"for Straight Tube fork EC34/28 EC34/30 4247T "42" for OD42, "47" for OD47, "T" for Tapered Tube fork IS42/28 IS47/33 Attention: here's for 1-1/4" (1 inch )Tapered Tube F4444S Folding Bike Headset "F" for Folding bike, "44" for OD 44mm, "S"for Straight Tube fork ZS44/28 ZS44/30 This headset design for floding bike, so there's NO star nut, screw and cap

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