H-K1 Optional Parts HK509A-CO Copper Roll Centre Collar Set A (CNC machined) Special Features : More rigidity & Longer life Copper material provide smoothest turning of arm pin Precise made by CNC HK509A-CO Include Copper Roll Centre Collar A1 - 2 Pieces Copper Roll Centre Collar B1 - 2 Pieces http://kmrcshop.com/products/HK5 ... NC-machined%29.html http://www.km-rc.com/ |
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