Shimano-BB-UN300-Bottom-Bracket-73mm-Square-Taper-JIS-Bottom-Bracket-CR3492-Bicycle-Bottom-Brackets

SKU: CR3492

Shimano BB-UN300 Square Taper JIS 73x123mm Spindles BSA (English) Bottom Bracket

Shimano
$17.58
$17.58 $23.95
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🚚 Order within the next 2 hours, 15 minutes for delivery by 28 Sep, 2024.

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Manufacturer Warranty

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

Spindle Length122.5
BB/Frame InterfaceEnglish
BB Shell Width (mm)73 mm
Spindle Interface TypeSquare Taper JIS
Bottom Bracket Shell I.D.1.37

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 13 reviews
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S
Sunrise2009

Great replacement for the original on my Gary Fisher bike. Installation is a bit challenging with the lack of instructions that are not included. Bike crank now is smooth and almost like new.

S
Sunrise2009

Great replacement for the original on my Gary Fisher bike. Installation is a bit challenging with the lack of instructions that are not included. Bike crank now is smooth and almost like new.

S
Sunrise2009

Great replacement for the original on my Gary Fisher bike. Installation is a bit challenging with the lack of instructions that are not included. Bike crank now is smooth and almost like new.;

K
Killur tv

This was a direct factory replacement from my track 4300 it fit perfect genuine Shimano component. Finally something worked out

K
Killur tv

This was a direct factory replacement from my track 4300 it fit perfect genuine Shimano component. Finally something worked out

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