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Shimano
BB-UN300 Bottom Bracket - English, 73mm Shell, Spindle, Square Taper JIS

Shimano BB-UN300 Bottom Bracket - English, 73mm Shell, Spindle, Square Taper JIS

Own it now for

$16⁹⁹

orig: $21⁹⁹ save 23%

their price
$18³¹

current best match:
Amazon

$18³¹

122.5 [Silver]

$18⁴⁹

118 [Silver]

$42⁹⁴

113 [Silver]

choose a size and color above to show stock

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Shimano BB-UN300 Square Spindle Bottom Brackets

Crankarm fixing bolts sold separately
Fits JIS square-taper cranksets
Hollow spindle

Specifications

Bottom Bracket Shell I.D.

1.37

Bottom Bracket Shell Width

73

Bottom Bracket/Frame Interface

English

Defined Color

Black

Spindle Interface Type

Square Taper JIS

Spindle Length (mm)

113, 118, 122.5

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Customer Questions

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Q.

asked by: a guest
What type of fixing bolts does this need?

A.

anwered by: jackivey
These ones would make a great companion Tree Fort ID# 333222342815

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Tree Fort ID: 333222443629

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