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UN300 XL 180 Square Bottom Bracket
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UN300 XL 180 Square Bottom Bracket

UN300 XL 180 Square Bottom Bracket

 

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Material:

adapter: aluminium (left), aluminium / steel (right)

axle: steel

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From $5.25

Original: $17.50

-70%
UN300 XL 180 Square Bottom Bracket—

$17.50

$5.25

UN300 XL 180 Square Bottom Bracket

 

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Material:

adapter: aluminium (left), aluminium / steel (right)

axle: steel

Product Information

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Description

 

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Material:

adapter: aluminium (left), aluminium / steel (right)

axle: steel