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