Image of Shimano Bottom Bracket BBUN55
British Thread 68 - 122.5mm Dispatched in 1-2 days ID: 50477-135837
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British Thread 68 - 118mm Dispatched in 1-2 days ID: 50477-135907
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British Thread 68 - 115mm Dispatched in 1-2 days ID: 50477-142383
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British Thread 68 - 110mm Dispatched in 1-2 days ID: 50477-142791
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British Thread 68 - 113mm Dispatched in 1-2 days ID: 50477-142792
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British Thread 68 - 127mm Dispatched in 1-2 days ID: 50477-142793
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British Thread 73 - 110mm Due in stock on 31/03/17 ID: 50477-142794
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British Thread 73 - 113mm Due in stock on 31/03/17 ID: 50477-142795
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British Thread 73 - 122.5mm Due in stock on 05/04/17 ID: 50477-152767
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British Thread 68 - 107mm Dispatched in 1-2 days ID: 50477-186587
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British Thread 73 - 107mm Due in stock on 31/03/17 ID: 50477-187412
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British Thread 73 - 118mm Due in stock on 31/03/17 ID: 50477-187414
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Italian Thread 70 - 107mm Due in stock on 31/03/17 ID: 50477-187415
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Italian Thread 70 - 110mm Dispatched within 2-5 days ID: 50477-187416
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Italian Thread 70 - 113mm Dispatched in 1-2 days ID: 50477-187417
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Italian Thread 70 - 115mm Dispatched within 2-5 days ID: 50477-187418
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Shimano Bottom Bracket BBUN55 reviews verified by reevooReevoo

Value for money
8.7
Overall rating
9.0
Scores 9.0 out of 10 based on 3 reviews
9 out of 10

Confirmed purchaser

GB
+
Cheap and tough!
Not the lightest!!
Confirmed purchase: 03 October 2013
Published on: 02 November 2013

What are the delivery costs?

We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

International delivery costs and delivery times vary for different countries. Please see here for more information.

Christmas delivery

For guaranteed Christmas delivery please order bikes before 11am, Tuesday 20th December and all other items before 11am, Wednesday 21st December. Guaranteed Christmas delivery applies to all items with the icon, please choose your option/size to see if the specific item you are after qualifies for Christmas delivery.

A good quality bottom bracket for traditional chainsets.

Key Features:
  • Super-accurate bearings for smooth operation and improved durability
  • Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
  • Lightweight hollow spindle
  • Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life
  • Fast and easy installation without adjustment
  • Narrow body allows clearance for cable routing under the bottom bracket