This bottom bracket uses a press-in cartridge bearing
The 41mm by 16 tooth spline cup matches Maxhit BSA24 and all Shimano FC-25 BB cups
This radial bearing generally used as a hub bearing most notably by Industry-Nine as a freehub bearing
They also include a selection of seals and spacers to ensure proper installation in any T47 threaded frame
TorqTite bottom brackets utilize precisely machined aluminum cups that thread together through your press fit BB shell for a simple
BRT-030 - Hardened Steel Bearing Punch Set sale This bottom bracket uses aBRT 030 Hardened Steel Bearing Punch Set Precision Machined, Heat Treated, stainless steel Punch Set for quickly removing stubborn bearings from the back side. This seven punch set includes sizes from most of the most common pivot bearings (8mm, 10mm, 12mm, 15mm, 17mm, 18mm and 20mm)