Shimano BB-UN55 Cartridge Bottom Bracket

Item # SH-BBUN55
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$29.99
MSRP: $29.99


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Shimano BB-UN55 Cartridge Bottom Bracket
The UN55 bottom bracket is an improvement over the tried and true UN54. The sealed cartridge unit makes a great replacement part for hybrids, road bikes and older mountain bikes. The sealed cartridge bearings lock out contaminants like water and dirt, helping this bottom bracket last longer.
  • Maintenance-free sealed cartridge bearings with high-efficiency rubber seals
  • Square taper chromoly spindle
Shimano BB-UN55 Cartridge Bottom Bracket
  • WEIGHT 161g
  • MATERIAL Steel spindle
  • COMPATIBILITY 68mm bottom bracket shell
  • BB - COMPATIBILITY Square taper cranksets
  • RINGS None
  • RING MATERIAL N/A
  • LENGTHS 113mm
  • BCD N/A
  • Rating 4.5

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Shimano BB-UN55 Cartridge Bottom Bracket
 
4.5

(based on 2 reviews)

Reviewed by 2 customers

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4.0

Good Stuff

By the menace

from n. florida

About Me Avid Cyclist

Verified Buyer

Pros

  • Versatile
  • Worked On An Old Frame

Cons

    Best Uses

    • Anything That Needs It
    • Commuting/City
    • Mountain Biking
    • Road Biking

    Comments about Shimano BB-UN55 Cartridge Bottom Bracket:

    I put this on an old Miyata frame that I converted to a single speed road bike. made the bike soo much better

    • Cycling Style:
    • Speed Oriented
    • Was this a gift?:
    • No

    Comment on this review

     
    5.0

    Oldie but goodie

    By Doug

    from Chester, WV.

    About Me Casual/ Recreational

    Verified Buyer

    Pros

      Cons

        Best Uses

        • Commuting/City

        Comments about Shimano BB-UN55 Cartridge Bottom Bracket:

        Thank you Nashbar for still stocking retro parts-sq/taper bottom bracket-to keep my '86 C-Dale MTB/commuter on the road.

        • Was this a gift?:
        • No

        Comment on this review

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        Shimano BB-UN55 Cartridge Bottom Bracket

        Shimano BB-UN55 Cartridge Bottom Bracket

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