Spank 28.6 31.8 mm Green 50 mm Bicycle Stems
S.H.I.S clamp diameter is the steerer tube diameter.
Bar clamp diameter is the diamater of the handlebar.
We define color as the main color of the item. It may have accents or highlights in other colors.
Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.