This is a used Shimano BB-UN71 115x68mm BSA square taper bottom bracket. It is in functional condition with light wear throughout from use; the bearings turn very smooth.
Bid on Gear Goat auctions with confidence: selling on eBay since 1999 with over 11000 transactions.
We will professionally box, insure, and ship this item for $8.00.
Local pickup @ Gear Goat XCHG in Charlotte, NC always a welcome option!