Tried and tested high quality Shimano replacement bottom bracket sealed unit to fit a

standard 73mm bottom bracket size (1.37 24TPI)

• Maintenance free sealed cartridge which keeps out dirt and water
• Designed to be used on traditional bike frames, ATB, MTB, Hybrid etc
• Easy fitting, with no need to adjust bearings
• Octalink axle
• Can be fitted with a standard Shimano BB cartridge tool
• Bottom bracket shell: 73mm
• Overall length: 118mm
• Shimano BB-ES25 Octalink Sealed Cartridge Bottom Bracket - English Thread
• Model: BB-ES25
• BB type: Octalink
• For 73mm shell
• Thread: BC1.37" x 24T
• Sealed cartridge keeps out dirt and water
• Easy installation