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Shimano Bottom Bracket - BB-UN55

Drive train Components
Shimano

Shimano Bottom Bracket - BB-UN55

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$49.99
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Product Details

A great replacement model for older bikes that already have square taper cranks.

Shimano’s BB-UN55 bottom bracket carries the Shimano mark of a quality component. It’s a sealed cartridge unit available in a range of sizes for your mountain bike, and featuring English thread, and a JIS Square Taper axle. For convenience the BB-UN55 comes assembled and greased, all ready for installation.

Features & Specifications

  • Model: BB-UN55
  • Sizes: Choose from what’s displayed in the drop down menu
  • Axle Style: JIS Square Taper (shimano, sugino, truvativ, and most other cranks)
  • Sealed cartridge unit
  • Does not include crank bolts
  • Thread: English thread
  • Weight: 313 grams

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