Old-Stf VL I-beam springer conversion neck cups 1" to 1-1/8" big twin front end - RawLimited stock ! New Old Stf raw steel neck cup set with bearings. Converts big twin frames to fit the 1930 36 VL i beam springer front end with 1 1 8" steering stem. No welding or machining work required. The double shielded bearings are RoHS compliant with a load cap of over 2150lbs each at max rpm of 13029 making them far beyond the task and you'll never need to re grease them. No dust shields are required. Made in USA. Fits 36 84 Big twin