SHIMANO HOLLOWTECH II ROAD CRANKSET BOTTOM BRACKET NEW / SHIPS IN 24HRS Maybe you’ve ruined your non-drive side cup? The tool doesn’t work on it, or the bearing is shot? Who knows? SPECIFICATIONS: Manufacturer: Shimano Model: 105, FC-BB5700 Fits all Shimano Road Hollowtech II cranksets, 24mm Spindled cranks where the spindle is part of the drive arm Threading: 1.37″ x 24tpi For 68mm wide English threaded shells only For Shimano Road cranks only  Compatible with other models of Shimano’s HollowTech II Road drive side cups Includes Left Non-Drive side cup only. There’s nothing else included Condition: New, not in retail packaging. We have some misfit bottom brackets missing their left cup. They’ve been in our warehouse for a while, and they come with grease on them, so they may be a little dirty. Just wipe them off.