You have to weigh every part of the bike. Add all of the weights into a spreadsheet and then work out the likely £ per gram saving of each part and total possible saving of each replacement part. Or just look at @Dammit old thread
https://docs.google.com/spreadsheets/d/1XYmHa-dHf5EpPw42iCVhxJlian5VZvLDdqgkgyGCAJU/edit#gid=0
That's really interesting.
@umop3pisdn started
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You have to weigh every part of the bike. Add all of the weights into a spreadsheet and then work out the likely £ per gram saving of each part and total possible saving of each replacement part. Or just look at @Dammit old thread