Roller Assembly OLS# 601012 T601 Lower 80mm Ecc. Roller October 3, 2022 / Roller Assembly OLS# 601012 T601 Lower 80mm Ecc. Roller Product Details Additional Information Roller Diameter: 80 mm (3.15?) Pin Type: eccentric Car Frame Model: T601 – Lower Roller (anodized finish) Original Date of Supply: April 2009 – November 2014