Shimano-BB-UN300-Bottom-Bracket-73mm-Square-Taper-JIS-Bottom-Bracket-CR3491-Bicycle-Bottom-Brackets

SKU: CR3491

Shimano BB-UN300 Square Taper JIS 73x118mm Spindles BSA (English) Bottom Bracket

Shimano
$19.31
$19.31 $24.95
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Manufacturer Warranty

This is a pre order item. We will ship it when it comes in stock.
Specifications

BB Shell Width (mm)73 mm
Bottom Bracket Shell I.D.1.37
BB/Frame InterfaceEnglish
Spindle Interface TypeSquare Taper JIS
Spindle Length118

Shimano BB-UN300 Square Spindle Bottom Brackets

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

Shimano BB-UN300 Square Spindle Bottom Brackets

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

Customer Reviews

Based on 2 reviews
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M
Music Mike

I like that the information about the part was correctly listed however the image that was found online had text showing it as a 68 not 73mm body length. The bearings now feel very smooth and I can't wait for the weather to lighten up that I can test it on the road. Perfect replacement as I found the 73mm bracket is now rare to find and I am glad I could find one reasonably priced.

M
Music Mike

I like that the information about the part was correctly listed however the image that was found online had text showing it as a 68 not 73mm body length. The bearings now feel very smooth and I can't wait for the weather to lighten up that I can test it on the road. Perfect replacement as I found the 73mm bracket is now rare to find and I am glad I could find one reasonably priced.;