Exotek F1R5/F1R5CW - Stainless Ceramic Hybrid Kit for SPOOL Axle parent 2x 1/4" x 3/8" x

2x     1/4" x 3/8" x 1/8" Non-Flanged

and are capable of up to 50k rpms

This is what drives many of us to continue racing for many years

This will print great on any stock 3D printer

It requires a 540 size motor and ESC

Exotek F1R5/F1R5CW - Stainless Ceramic Hybrid Kit for SPOOL Axle parent 2x 1/4" x 3/8" xStainless Ceramic Hybrid Bearing Kit FOR Exotek F1R5 and F1R5CW FOR SPOOL AXLE Does NOT include Diff Bearings Includes: 4x 5mm x 10mm x 4mm (Front Wheels) 2x 1 4" x 1 2" x 3 16" Heavy Duty Flanged (Rear Pod) Please Ensure Size, Seals, and Lubrication when ordering! IMRC offers an "in house" assembled bearings. What does this mean? We physically handle each bearing, lubricate, and install seal shields to your order. This allows us to provide the best