Neco Threadless External Bearing Headset Road Bike Fixed Gear Headset 30MM 27mm 1" 25.4-26.4mm/ (27MM Black)

1" fork, top 25.4mm, bottom 27MM or 26.4mm crown race EC30/25.4 | EC30/27mm(26.4) 1" fork 30mm external bearing headset Threadless external bearing headset road bike fixed gear headset 1 inch Folding bike/road bike/BMX/fixed gear 451 molybdenum chrome steel/titanium frame Neco Threadless External Bearing Headset Road Bike Fixed Gear Headset 1 inch  30MM 25.4-26.4mm/ 27mm   High quality headset, international level product. Cost-effective and value for money. 30 years of manufacturing experience in bicycle parts industry. 30-30MM External 1" Fork, Upper 25.4mm, Lower 27MM or 26.4mm Crown Race EC30/25.4 | EC30/27mm(26.4) 1" Fork 30mm External Bearing Headset Folding Bike/Road Bike/BMX/Fixed Gear 451 Molybdenum Chrome Steel/Titanium Frame