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

Shimano BB-UN300

Shimano BB-UN300
$23.99 - $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 and picked up curbside. We will contact you when your order is ready for pickup.

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 SHI54748498R
Silver / 115mm / English / Square Taper / 68mm 192790619187 EBBUN300B15B
Silver / 117.5mm / English / Square Taper / 68mm 192790619224 EBBUN300B17X
Silver / 118mm / English / Square Taper / 68mm 192790619231 EBBUN300B18X SHB152882538
Silver / 122.5mm / English / Square Taper / 73mm 192790622194 EBBUN300C23X SHI55125813R
Silver / 127.5mm / English / Square Taper / 68mm 192790619316 EBBUN300B27B
Silver / 122.5mm / English/BB-UN300 D-NL / Square Taper / 68mm 192790619156 EBBUN300B22X
Silver / 122.5mm / English/BB-UN300-LL123 / Square Taper / 68mm 192790619255 EBBUN300B23X SHB159499173

Reviews