WALGUN PF4130 BB86 BB92 Press Fit Ceramic bike Bottom Brackets
WALGUN PF4130 ceramic bottom bracket is made of 6806 sealed ceramic bearings and 7075 aluminum alloy (full CNC machining). Its BB standard is BB86/BB92, The 41mm outer diameter of PF4130 is compatible with 86.5mm (road) and 91.5mm (mountain) bicycle frames, and is compatible with 30mm spindle bicycle cranks.
From the day of purchase, within 12 months of product quality problems, we bear all the costs of repairing it. (Does not include product problems caused by your improper use)