Stems

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 steer tubes - Weight: 130g-180g

Dimension Tandem Stoker Stem - 25.4mm handlebar clamp; 28.6mm seatpost diameter (For 27.2mm posts, use Problem Solvers shim ST0214) - Tandem stem for mounting Stoker handlebars - 130-170mm extension; 35-degree angle - 60mm stack height