Here is a rather nicely machined bicycle part. A square taper bottom bracket by Tange Seiki, the LN 3922. A surprisingly beautiful part given that it’s not hardly visible when installed. Made in Japan says quality. Just look at all the shine and precise looking machining: Specs Weight: 295 grams Sealed Cartridge bearings Solid boronContinue reading “Tange Seiki LN 3922 Bottom bracket square taper Review”