Shimano BB-UN55 Bottom Bracket Square Taper
113mm x 68mm
English
New Old Stock
Not in Original Box
Retail $25
Shimano UN55 model has super-accurate bearings for smooth operation and improved durability
Features:
Durable, hard-wearing sealed cartridge bottom bracket.
Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud and water for long bearing life
Fast and easy installation without adjustment
Hollow Axle
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