Shimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting. Suitable for frames with BSA thread 68 mm housing width.

Features

• SHIMANO quality/performance cartridge bearing square bottom bracket
• Better chainline stability with chain line stabilizer
• Standard, E-type, chain case options
• Adapter material: Aluminium

Specification

• Model: BB-UN300
• BB-Type: Square Taper
• Threaded: BSA
• Threaded BB shell width: 68mm

Axle length

• 113mm

Material

• Steel

Contents

• 1 x Shimano BB-UN300 Square Taper 68mm BSA Bottom Bracket

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