Thin Flange Bottom Bracket Socket Designed to create a tight grip on thin flange bottom bracket to avoid slipping while torquing cups into bike frames. This single-sided socket is used for installing and removing 48.5mm, 16-notch bottom bracket cups. The socket has a machined 3/8" drive, which can be used to allow 3/8" drive torque wrenches to be attached and locks onto 1/2 inch UNC press rod for secure and easy installation of thin flanged bottom brackets. Machined 6061 Aluminum Anodized Red.
Compatible with all Wheels Manufacturing (Some FSA MegaEVO) bottom brackets that have the following spline patterns: