Originally Posted by
FBinNY
It's not like all spindles are identical or that the weight savings is the same. Go to the manufacturers site, pull down the weight specifications for each BB and subtract.
I looked at the Phil Wood web site and they give weights under the "store" tab.
A stainless steel 123 mm JIS bottom bracket is listed as 234 grams and $131
The same 123 mm configuration with a Ti spindle and an aluminum shell is listed at 156 gm and $205
The same 123 mm Ti spindle and a magnesium shell is given as 154 grams and $322.
Stainless English mounting cups are 34 gm and $30/pair
Aluminum English mounting cups are 11 gm and $47/pair