Hambini Racing T47-68 Bottom Bracket 30mm Crankset

Description

This bottom bracket is designed to interface a 30mm Crankset (minimum DBCA of 90.5mm) with a bike frame that uses a T47 Bottom Bracket (68mm wide). This is often called threadfit.

• T47 x 68 Threaded. 47×1.0mm
• Drive side has a Left Hand Thread, Non Drive Side has a Right Handed Thread
• Designed for 30mm Cranksets which have a minimum DBCA of 90.5mm, this is often referred to as BB30 Long Axle.
• The drive and non drive sides are aligned via an internal male/female sleeve
• Over 50% larger tool engagement area than other T47 bottom brackets, there is much less chance of seizure and stripping with this unit
• Top of the range 6806 SKF/NTN/FAG/NSK bearings fitted as standard
• This bottom bracket has been designed to offer easy servicing, it is not a throw away item, it has been designed to allow easy changing of bearings which are a standard part
• Non contacting Seals
• Tool Requirements, these are shown on the drawing in the picture gallery
  • 52mm Outside Diameter
  • 12 Notches
  • 51.7mm PCD (Pitch Circle Diameter) R25.85mm
  • 3.5mm notch diameter
  • 10.25mm depth if using a socket type tool
• A suitable tool is available here

This bottom bracket is extremely popular for custom frame builds (titanium, steel and aluminum)