Shimano BB-UN300 Bottom Bracket Square Chaincase (D-NL)
Features:
-SHIMANO Quality / Performance Cartridge Bearing Square Bottom Bracket
-Better chainline stability with chainline stabilizer
-3 structures available
-Standard, Type E, Chain Box Options
-Adapter Material: Aluminum
-Shell: BSA 68mm
Ship it today?
Order by 4:00pm, Mon-Fri
Free sameday pickup
Order by 4:00pm, Mon-Sat
