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Shimano UN300 Square Taper Bottom Bracket by Shimano - HARD GOODS/BOTTOM BRACKETS/THREADED/SQUARE
20% off

Product Description

Shimano BB-UN300 Square Spindle Bottom Bracket

FEATURES:

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

Shimano UN300 Square Taper Bottom Bracket

at Mike's Bikes
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$14.39 $17.99 20% Discount
You save $3.60
In Stock at Mike's Bikes
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Product Details

Category HARD GOODS/BOTTOM BRACKETS/THREADED/SQUARE
Brand Shimano
Condition new
MPN EBBUN300B07X
4590 HARD GOODS/BOTTOM BRACKETS/THREADED/SQUARE Shimano

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Mike's Bikes
Last Updated:
Aug 11, 2026 05:07 PM
Shimano UN300 Square Taper Bottom Bracket Shimano UN300 Square Taper Bottom Bracket View Details
$14.39 $15.99
10% off
Buy Now · $14.39
Mike's Bikes