BB386 EVO Press-in Bottom Axle For 86.5mm Frame Feature: 1. For 86.5mm road bike bottom bracket frame. 2. Compatible with 24x24mm Shimano or 24x22mm SRAM GXP with a conversion ring. 3. Special threaded interlocking bottom bracket to reduce noise and for easy installation and maintenance. 4. Double O ring keeps water or dust out of the frame and works as the buffer between the frame and BB. 5. Aluminum alloy construction for long service time. Material: Aluminum+Bearing Outer diameter: 46mm Inner diameter: 24mm(use conversion sleeve transform 24mm to 22mm) Weight: 105g Spec: Press-Fit style and Interlock design, fit for SRAM(use conversion sleeve transform 24mm to 22mm), SHIMANO ,FSA, BB length fit for 86.5mm length frame used. Packing list: 1 x Bottom Bracket 1 x Conversion Ring