Skip to main content
HUNDREDS OF IN-STOCK BIKES ON SALE -  CALL AHEAD TO CONFIRM BIKE AVAILABILITY 
XC SKIS & BOOTS WILL NOT BE AVAILABLE IN STORE AFTER MARCH 14, 2024 AS WE MAKE ROOM FOR BIKES
  1. Home
  2. Bicycling Catalog
  3. Parts
  4. Bottom Brackets
  5. Shimano

Shimano BB-UN300

Shimano BB-UN300
$21.99 - $25.99
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 in-store at 1291 Wellington St West, Ottawa at your convenience.

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 210000020576
Silver / 115mm / English / Square Taper / 68mm 192790619187 EBBUN300B15B 210000026209
Silver / 117.5mm / English / Square Taper / 68mm 192790619224 EBBUN300B17X 210000021720
Silver / 122.5mm / English / Square Taper / 73mm 192790622194 EBBUN300C23X 210000024023
Silver / 127.5mm / English / Square Taper / 68mm 192790619316 EBBUN300B27B 210000017300
Silver / 122.5mm / English/BB-UN300 D-NL / Square Taper / 68mm 192790619156 EBBUN300B22X