With a shell width of 68mm and a spindle type of Square Taper - JIS, this bottom bracket is compatible with universal, cyclocross, and trekking bikes.
Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
Shimano Ultegra Bottom Bracket Cups Road Bike Replacement BB 6800 English Thread
Shimano Ultegra Bottom Bracket 6800 BS Cups English Thread Genuine Replacement
Prime Threaded Shimano Road Bottom Bracket
Shimano Saint Bottom Bracket M810 Hollowtech II 68/73mm Mountain Bike BB 24mm
Shimano bicycle bottom bracket cable guide.
