Animal Pop Off Stem material: CNC machined alloy steertube size: 1 1/8 inch reach: 48mm rise: 21mm rise upright / 10mm rise inverted stack height: * bar clamp: 7/8 inch style: topload color: black additional information: Reissue of the original Pop Off top load stem. Original spec, design, and laser etched Animal logos. Made in the USA