The Ergotec Swell-R Eco Adjustable Stem is a stable, angle adjustable (between -20 and +40 degrees), 3D forged aluminium Ahead stem with 4-bolt handlebar clamp. The Swell-R Eco Adjustable Stem can be used very flexibly due to its adjustable angle. With 31.8mm handlebar clamp diameter and 1 1/8" fork clamping.
