3 Review(s)

?High Quality?The bottom bracket is made of stainless steel, solid with a long service time. Light weight, no additional burden.?More Practical?The steel shell can absorb roundness tolerance for the valves ports of Bracket Bottom.Integrated structure: No abnormal noise, with no gaps to prevent the assembly stuck,safe for use.?Guarantee?If you have any questions about our products, please send us an email and we will get back to you as soon as possible within 24 hours.174mm English Square Bottom Bracket