Rolling free is very important anytime a vehicle hits the racetrack. The bearings in an RC vehicle need to be quality, precise, and durable enough to stand-up to the rigorous demands of national and world class racing events. The JConcepts Radial bearing kits are built to last with NMB bearing quality, stainless steel materials, and precise tolerances. Available in a sets to meet the RC10B7, RC10B7D demands, the Radial bearings are packed with care, backed with racing heritage, customer support, and RC dedication.