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
The manufacturer does not permit this item to be shipped, however it can be purchased online and picked up at our store. Bicycles may require assembly - we will notifiy you as soon as they are ready. Please call 623-412-3150 with any questions. Please bring a valid ID and the Credit Card you used to purchase the item(s) when you come to pick them up.

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 210000025183
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
Silver / 122.5mm / English / Square Taper / 73mm 192790622194 EBBUN300C23X 210000024621
Silver / 127.5mm / English / Square Taper / 68mm 192790619316 EBBUN300B27B
Silver / 122.5mm / English/BB-UN300 D-NL / Square Taper / 68mm 192790619156 EBBUN300B22X 210000024404
Silver / 122.5mm / English/BB-UN300-LL123 / Square Taper / 68mm 192790619255 EBBUN300B23X

Reviews