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Shimano UN300 Square Taper Bottom Bracket All Sizes
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Shimano UN300 Square Taper Bottom Bracket All Sizes

Shimano UN300 Square Taper Bottom Bracket All Sizes

Shimano UN300 Square Taper Bottom Bracket All Sizes 

Shimano brakes, gears, components and cycling accessories incorporate more than 45 years of cycling vigour built into each design; their experience and expertise make them the popular choice of the professional and amateur cyclist the world over.

Shimano UN300 Square Taper Bottom Bracket All Sizes 

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure

Square Type Bottom Bracket

SHIMANO quality/performance cartridge bearing square bottom bracket

Better chainline stability with chain line stabilizer

3 structures available

Standard, E-type, chain case options

Adapter material: Aluminum

All Sizes 

Select Size
From $12.69

Original: $36.25

-65%
Shimano UN300 Square Taper Bottom Bracket All Sizes—

$36.25

$12.69

Shimano UN300 Square Taper Bottom Bracket All Sizes

Shimano UN300 Square Taper Bottom Bracket All Sizes 

Shimano brakes, gears, components and cycling accessories incorporate more than 45 years of cycling vigour built into each design; their experience and expertise make them the popular choice of the professional and amateur cyclist the world over.

Shimano UN300 Square Taper Bottom Bracket All Sizes 

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure

Square Type Bottom Bracket

SHIMANO quality/performance cartridge bearing square bottom bracket

Better chainline stability with chain line stabilizer

3 structures available

Standard, E-type, chain case options

Adapter material: Aluminum

All Sizes 

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Description

Shimano UN300 Square Taper Bottom Bracket All Sizes 

Shimano brakes, gears, components and cycling accessories incorporate more than 45 years of cycling vigour built into each design; their experience and expertise make them the popular choice of the professional and amateur cyclist the world over.

Shimano UN300 Square Taper Bottom Bracket All Sizes 

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure

Square Type Bottom Bracket

SHIMANO quality/performance cartridge bearing square bottom bracket

Better chainline stability with chain line stabilizer

3 structures available

Standard, E-type, chain case options

Adapter material: Aluminum

All Sizes 

Shimano UN300 Square Taper Bottom Bracket All Sizes | Sprockets