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SunRace BBS 15 Sealed Cartridge Square Taper Bottom Bracket – 68 × 103mm – BSA

Original price was: £20.00.Current price is: £13.85.

Sold by Shifta

The SunRace BBS 15 bottom bracket delivers smooth, reliable performance for square taper cranksets. Designed for a 68mm BSA shell with a 103mm spindle, this unit is boxed New Old Stock and ideal for dependable drivetrain builds.

Correct chainline. Low-maintenance performance.

1 in stock

Description

The SunRace BBS 15 sealed cartridge bottom bracket provides consistent, low-maintenance support for square taper cranksets. The sealed cartridge design keeps contaminants out, helping maintain smooth rotation and long service life.

This bottom bracket fits frames with a 68mm BSA threaded shell (BC 1.37″ × 24 TPI) and uses a 103mm spindle, making it suitable for many compact and double crankset setups where accurate chainline matters. Installation stays straightforward and secure—perfect for repairs, refurb builds, and workshop stock from SunRace.

This item is New Old Stock and boxed. It’s unused, factory packed, and ready to fit—offering excellent value without compromising reliability.

Key Features:

  • SunRace BBS 15 bottom bracket
  • Square taper crank compatibility
  • 68mm shell width
  • 103mm spindle length
  • BSA / BC 1.37″ × 24 TPI thread
  • Sealed cartridge bearings for low maintenance
  • Condition: New Old Stock (boxed, unused)

Details

Bike Type Commuter, Cruiser, Gravel, Hybrid, Mountain (MTB), Race, Road, Tandem, Touring, Track, TT, Women’s
Product Type Bottom Brackets
Size/Fit 103mm, 68mm, BSA

Additional information

Bike Type

Commuter, Cruiser, Gravel, Hybrid, Mountain (MTB), Race, Road, Tandem, Touring, Track, TT, Women’s

Product Type

Bottom Brackets

Size/Fit

103mm, 68mm, BSA

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