1 1/8 inch to 1 inch Headset Reducer (Pair)

for ISO Headsets

Will not work on BMX headsets with 32.5 ID

We have here a pair of precision head tube reducers. These reducers will allow you to install any standard 1 inch ISO headset on your 1 1/8 inch frame.

NOT for BMX style headsets with a 32.5mm ID

Machined from solid 6061-T6 aluminum stock

34mm Outside Diameter

30.2 Inside Diameter