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For the Nitro version's ceramic bearing kit please choose ACER Racing Item CH018
an outer diameter of 19 millimeters
Diff unit can be installed or removed with just four bolts for fast and easy replacement
HSR inner cage technology
50% lighter than steel brake rotor bolts plus corrosion free and beautifully machined
Hot Bodies D815 D817 Ceramic Bearing Kit XRAY For the Nitro version's ceramicHot Bodies D815 Ceramic Ball Bearing Kit: race faster, longer with our world champion ceramic bearing kit. Uses diamond polished Silicon Nitride ceramic balls, our fully synthetic ACER Racing SIN oil, HSR inner cage technology, proprietary inner tolerances, and no contact seals for the fastest bearings ever.
