Olympia along Araneta Avenue between E.Rod and Aurora I think
Links along Banawe (between E. Rod and Quezon Ave.)
Blazer Marketing (66Kitanlad St. near Banawe)
GlennSter's store might have them in stock (92 Kamias QC)

Or just have your existing parts repaired at ZEE or CRUVEN www.cruven.bravehost.com

What is it exactly that you need?