✨ New Arrivals Just Dropped!Explore
Product image 1
HomeStore

BB-UN300 ST

BB-UN300 ST

Cartridge bottom bracket set.

  • 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
Select Shell Width
Select Spindle Length
From $6.36

Original: $18.18

-65%
BB-UN300 ST—

$18.18

$6.36

Product Information

Shipping & Returns

Description

Cartridge bottom bracket set.

  • 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