Token Bottom Bracket Ninja BB PF386/392 For Shimano CrankSet DBBTF38624-BKTKFeatures Precision engineered bottom bracket for PF386 392 frames using Shimano cranksets. Features TOKENs Ninja technology to prevent frame creaks and improve stiffness. Sealed cartridge bearings ensure long lasting, smooth operation. Compatible with high performance road and gravel bikes. Specifications Model: DBBTF38624 BKTK Type: PF386 392 Bottom Bracket Crankset Compatibility: Shimano Bearing Type: Steel Sealed Bearings Brand: TOKEN