The Arrowmax AM-010061 BB DJC set is a ball-bearing style driveshaft kit produced for use on XRAY T4 series electric touring car models. The set contains two 53mm driveshafts designed to replace standard blade-type shafts and to interface directly with T4 drive cups.
Instead of a blade sliding in a cup, the BB DJC uses a ball-bearing slide that seats into the drive cups to reduce free play and drivetrain lash. Reduced internal friction improves throttle response and cornering feel while lowering wear on mating surfaces, making it a practical upgrade when tuning acceleration and turn-in behavior.
Use the AM-010061 BB DJC set when you want a direct-fit driveshaft upgrade for XRAY T4 cars that reduces drivetrain play and delivers a cleaner, more responsive power transfer for track tuning.
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