Shimano BB-UN300 73mm Shell Square Taper Bottom Bracket - English Thread
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Manufacturer : Shimano
SJS Cycles part number : 53143s113
Manufacturer part number : BBUN300C13
Details
- A good quality bottom bracket for traditional chainsets
- Super-accurate bearings for smooth operation and improved durability
- Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
- 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
- Super-accurate bearings for smooth operation and improved durability
- Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
- 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
Specification
Diameter73
GroupsetNon-Groupset
Length113
SeriesUN300
ThreadEnglish
Weight283
Questions & Answers (1)
cup material?
By Pavel
15 Aug 2020
are the cups on the UN300 made of aluminum or are they plastic, and what contributes to the lower cost versus the UN55 series of bottom brackets, please?
SJS Customer Service:
The cups on the UN300 are aluminium, not plastic.