Aluminum alloy road bike or mini headset
- Model: Neco H671
- Color: BLUE ANODIZED (true anodizing - NOT paint)
- This headset fits 1" threaded forks.
- 30.0mm diameter bearing cups (where they press into the headtube) - this is typically JIS standard.
- Threading is 1" X 24TPI.
- Crown race size is 26.4mm (this is the part that installs on the fork and typically is the size for ISO standard, not JIS - some forks (JIS) are 27.0mm.. MEASURE FIRST)
- Stack height: 41mm (+/- 0.5mm)
- Cartridge bearings (see 2nd picture for a parts breakdown)
- Lock nut for 22.2mm quill stem
- THIS WILL NOT FIT OLD SCHOOL BMX - these are for road bikes or some BMX MINI frames/forks from the 1980's took this size.