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Xray XB4 Gearbox Next-Level Hybrid Ceramic Bearing Kit | Choose your year model

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RC Speed Secrets
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 Product Description

"New"  RCSS Xray XB4 Next-Level Hybrid Ceramic Bearing Kit- Gearbox


Looking for every SPEED advantage you can get?

Rc Speed Secret's "Next Level" Hybrid Ceramic Gearbox bearings provide better precision, efficiency, and the possibility of greater corner and exit speed capabilities over current ABEC-3 Rc ceramics. As with any high-performance bearing, we always advise to lube bearing before use with a quality race bearing oil!


  • 3g+ lighter than current chrome/steel Rc gearbox ceramics
  • Our Stainless vs Current Chrome/Steel materials- Stainless resists water/corrosion. Chrome/steel rusts:
  • The presence of a minimum of 10.5 % chromium in our stainless steel gives it the property of corrosion resistance 
  • Significantly reduce natural drive train drag due to increased quality & efficiency of our Next Level bearing components
  • Reduced rotating mass
  • Increase drive train roll
  • Faster more efficient acceleration


  • Qty. (10) gearbox "Next Level" Ceramic Bearings


  • Xray XB4 2018/19/20 Carpet Edition
  • Xray XB4 2018/19/20 Dirt Edition


  • We recommend every 3-4 track days removing the pinion and spinning the rear wheels to check for any necessary maintenance needs. If the drive train feels gritty or has reduced roll, remove bearings and clean with a citrus-based cleaner & lightly oil with our RCSS All-In-One Lube/Cleaner. Car brake parts cleaner will ruin your bearings and is NOT recommended!


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