SHIMANO Bottom Bracket
The Shimano UN300 Bottom Bracket is a good quality BB for traditional chain sets. Featuring super-accurate bearings for smooth operation and improved durability and a Nylon Body for weight saving, the UN300 allows fast and easy installation without the need for adjustment. We stock the UN300 now in 68mm shell or 73mm shell.
Sizes available:
68x110mm
68x113mm
68x115mm
68x118mm
68x122.5mm
68x127mm
73x113mm
73x118mm
73x122.5mm
'Crank Bolts only' is also an option.
If you are not sure on fitting this sealed cartridge please ask a qualified cycle mechanic as it can damaged your bottom bracket thread, and the sealed cartridge thread if installed incorrectly
Please note Crank Bolts are not included unless you add the crank bolts to the order.
For more information contact us:
HOPKINSON CYCLES
Queen street
Horbury, Wakefield
West Yorkshire
WF4 6LP
Contact details below