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

Shimano BB-UN300

Shimano BB-UN300
$15.99
Color:
Silver
Model:
English
Spindle:
Square Taper
Please select options Unavailable
This item is not permitted to be shipped, however it can be purchased online and picked up. We will contact you when your order is ready for pickup. (All e-bikes will be subject to a $15 battery recycling fee)

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 / 115mm / English / Square Taper / 68mm 192790619187 EBBUN300B15B BBS30129887R
Silver / 118mm / English / Square Taper / 68mm 192790619231 EBBUN300B18X
Silver / 122.5mm / English / Square Taper / 73mm 192790622194 EBBUN300C23X BBS31350666R

Reviews