Hot Bodies D815 D817 Ceramic Bearing Kit XRAY The bellcrank ratio produces a

The bellcrank ratio produces a more positive throttle response

Diff unit can be installed or removed with just four bolts for fast and easy replacement

This is a 7x17x5mm Ceramic RC Engine Bearing

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 The bellcrank ratio produces aHot 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.