Shimano BB-UN300 bottom bracket
The UN300 is a JIS square taper bottom bracket featuring sealed cartridge bearings, steel cups and a hollow cro-mo steel spindle.
Available in 107mm & 110mm lengths.
Specifications
• 68mm English-threaded (BSA)
• JIS square-taper
• spindle length: 107mm, 110mm
• crank arm bolts not included
• requires Park Tool BBT-22 for installation & removal
Select length
From $7.00
Original: $19.99
-65%Shimano BB-UN300 bottom bracket—
$19.99
$7.00
Description
The UN300 is a JIS square taper bottom bracket featuring sealed cartridge bearings, steel cups and a hollow cro-mo steel spindle.
Available in 107mm & 110mm lengths.
Specifications
• 68mm English-threaded (BSA)
• JIS square-taper
• spindle length: 107mm, 110mm
• crank arm bolts not included
• requires Park Tool BBT-22 for installation & removal
