SHIMANO
Bottom Bracket Shimano BB-UN300 Square Taper 68mm BSA
Axle length:
Bottom Bracket Shimano BB-UN300 Square Taper 68mm BSA
The Shimano BB-UN300 is a high-quality and reliable JIS Square Taper bottom bracket designed for widely used square taper cranksets. It is a classic solution suitable for MTB, city and hybrid bikes.
Designed for frames with BSA threading and a 68 mm bottom bracket shell width, the cartridge bearing construction ensures smooth rotation, stable power transfer and long service life.
An integrated chain line stabilizer improves chain alignment, supporting better shifting performance and reduced drivetrain wear. The BB-UN300 supports standard, E-type and chain case configurations, offering excellent versatility.
- Model: BB-UN300
- Type: Square Taper (JIS)
- Thread: BSA
- BB shell width: 68 mm
- Adapter material: Aluminum
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Estonia
2,45 € -
Finland
7,90 € -
Latvia
4,50 € -
Lithuania
5,40 €
Shimano is a Japanese component manufacturer that since 1921 has been one of the world’s largest suppliers of bicycle drivetrains, brakes and cycling-specific parts. Shimano groupsets — from Tourney for city bikes to top-tier Dura-Ace — are found on virtually every serious bike brand. The company also makes fishing tackle and rowing components.