ACS Maindrive Integrated Headset v-brake-levers The 20mm to 3/8" conversion

The 20mm to 3/8" conversion kit was designed to be used with all 20mm rear drop-outs

All models in the FASTR Series are interchangeable

The bottom bracket features a lightweight hollow titanium spindle in 108mm or 113mm lengths

The Box Two Center Clamp Stem-1 1/8" is a brilliantly designed cold forged aluminum stem

ACS Maindrive Integrated Headset v-brake-levers The 20mm to 3/8" conversionSPECS: SIZE: 1", 1 1 8" or 1 1 8" to 1" Step Down to reduce your frame to fit 1" forks STYLE: Integrated 45 45 Campy Spec 1 INCLUDED: Top Cap w Star Nut, Aluminum cover, Top and Bottom Sealed Bearings, Fork Crown Race NOTE: The 1 1 8" to 1" Step Down headset allows you to use a 1" fork and stem on a frame with a 1 1 8" integrated headtube. Many frames such as Chase, Supercross and Intense use a 1 1 8" head tube even on the small frames so this type of