Fits most all brands of stems including OMNI Racer, Thomson, TTT, ITM, FSA and most others
Adapts 1 1/8" stems to 1" fork steerer
Size: 1 1/8" to 1" (28.6mm to 25.4mm)
For use with all 1 1/8" Road, MTB, or BMX stems.
Lightweight 7075 aluminum
Anodized finish 
Height: 36mm
Not for threaded forks or quill stems
Weight: 15 grams