Feature:  
1. For 68-73mm road bike bottom bracket frame. 
2. Compatible with 24x24mm Shimano or 24x22mm SRAM GXP with a conversion ring. 
3. Special threaded interlocking bottom bracket design 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:  135g 
Spec:  Press-Fit style and Interlock design, fit for SHIMANO, Prowheel ,SRAM GXP(use attached conversion sleeve), 
BB length fit for 68-73mm length frame used. 
 
Packing list:  
1 x Bottom Bracket 
1 x Conversion Ring