Shimano BB-UN101/-K Square Tapered BB set | 123 mm Bottom Bracket for Bicycle

Shimano BB-UN101/-K Square Tapered BB Set | 123mm Bottom Bracket for Bicycle

Trust Shimano's legendary reliability with the BB-UN101/-K bottom bracket, delivering precision performance and sealed protection at an exceptional value.

Key Benefits:

• Sealed cartridge construction keeps dirt and water out for consistent, smooth operation in all conditions
• Precise chainline control ensures optimal drivetrain efficiency and reduces wear on chain and cassette
• Shimano quality engineering provides superior reliability and longevity compared to generic alternatives

Technical Specifications:

• Model: Shimano BB-UN101/-K
• Spindle Type: Square Taper
• Axle Length: 123mm
• BB Shell Width: 68mm (BC 1.37")
• Adapter Material: Resin
• Weight: Approximately 282g
• Compatibility: 6/7/8-speed drivetrains
• Finish: Black

Compatibility:

• Fits standard 68mm BB shells with BC 1.37" threading and square taper cranks
• Compatible with 6, 7, and 8-speed drivetrains

Package Contents:

• 1x Shimano BB-UN101/-K Bottom Bracket
• 0.7mm spacer
• Crank arm fixing screws

Important Notes: Shimano's proven cartridge design offers versatile performance across multiple bike types while maintaining the brand's reputation for durability and dependable function