Threaded BB Alloy Cup Bottom Bracket

The Neco Threaded Bottom Bracket set is made from CNC machined aluminum, has 2 sealed bearings and is compatible with Shimano Hollowtech II, Race Face and other cranksets.
Outer bearing cups are CNC-machined aluminum
For Shimano Hollowtech II and RaceFace cranksets
With plastic inner casing for 68 mm bottom bracket housing width
Includes adaptor rings for 73-78 mm bottom bracket housing width
Weighs only 106 grams