Dimension 31.8 Stem - 90mm, 31.8 Clamp, +35, 1 1/8", Alloy, Black

Dimension 31.8 Stems are fully forged 6061-T6 aluminum stems that have a 4-bolt handlebar clamp.
31.8mm can be used with 26.0 bars with additional shim (SM5317)
Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes