Wishbone BB38624 for Shimano Hollowtech 2 and SRAM GXP cranks

Compatible frame standard: BB386 Compatible cranks: SHIMANO HOLLOWTECH II / SRAM GXP Compatible frame examples: BH, TIME, MERIDA, WILLIER, etc. Compatible BB sizes: 46mm / 86.5mm Assembly tools: Two WB-WRENCH-004 wheels, designed specifically for BB386 diameter, are required. Bearing material: High-grade G5 ceramic. Eliminates the noise that is common with press-fit BBs.