Skip to main content
  1. Home
  2. Bicycling Catalog
  3. Parts
  4. Bottom Brackets
  5. Shimano

Shimano BB-UN300

Shimano BB-UN300
$15.99 - $24.99
Color:
Silver
Spindle:
Square Taper
Please select options Unavailable
This item is not permitted to be shipped, however it can be purchased online. We will notify you when available for pickup. UPON PICK UP, YOU MUST HAVE A VALID ID AND THE CREDIT CARD USED TO PURCHASE THE ITEM.

Details

- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested

Part Numbers

Option UPC MPN Store SKU
Silver / 110mm / English / Square Taper / 68mm 192790619200 EBBUN300B10X
Silver / 115mm / English / Square Taper / 68mm 192790619187 EBBUN300B15B
Silver / 117.5mm / English / Square Taper / 68mm 192790619224 EBBUN300B17X SHI64227777S
Silver / 118mm / English / Square Taper / 68mm 192790619231 EBBUN300B18X SHI38363806M
Silver / 122.5mm / English / Square Taper / 73mm 192790622194 EBBUN300C23X SHI64149170S
Silver / 127.5mm / English / Square Taper / 68mm 192790619316 EBBUN300B27B BOT45330375A
Silver / 122.5mm / English/BB-UN300 D-NL / Square Taper / 68mm 192790619156 EBBUN300B22X SHI78196781E
Silver / 122.5mm / English/BB-UN300-LL123 / Square Taper / 68mm 192790619255 EBBUN300B23X

Reviews