Vintage Cinelli Alter Bike Stem 25.4mm, 110mm, 1,Vintage Cinelli Alter Bike Stem 25.4mm, 110mm, 1,NOS CINELLI ALTER STEM 1 INCH 120mm 26.0 VINTAGE ROAD RACING AHEAD BLACK OLD 90s | eBay,NOS CINELLI ALTER STEM 1 INCH 120mm 26.0 VINTAGE ROAD RACING AHEAD BLACK OLD 90s | eBay,Cinelli Alter Stem Replica w/31.8mm handlebar clamp 7075 aluminum 120mm length, 10deg rise 250g w/hardware This project started 6 months ago when I wanted to try to improve upon the Cinelli Alter