Replacement bottom bracket for Shimano UN73

[glasgowcyclist]

20 quid and a UN-55 73-113 is yours:
http://www.wiggle.co.uk/shimano-bb-un55-bottom-bracket/?lang=en&curr=GBP&dest=1&sku=271

I spotted this bargain on Amazon at just £11.95, delivered!
It arrives today.

https://www.amazon.co.uk/Shimano-BB-UN55-Bottom-Bracket-British/dp/B00653ODZE