Alu adjustable ball differential for M18 allows you to fine-tune the handling characteristics of this already great-handling micro racecar.  

Complete composite adjustable ball differential set. Factory pre-assembled for smooth action. 

Molded composite bevel gear for 385001 Alu. Adjustable Ball Differential for the XRAY M18. 

Molded gearbox case set for M18T made from tough composite material. Includes upper and lower cases. 

Tough steel diff D-washer for adjustable ball differential. D-shaped inner cutout keys to diff plates to eliminate plate slippage. 

Set of two diff rings for 385001 Alu. Adjustable Ball Differential for the XRAY M18. 

Molded main driveshaft pinion gear and collar for M18T made from tough composite material. 

Molded composite spur gear adaptor for steel spur gears. Fits NT18T and also option for M18T. 

High-strength, precision-machined 54-tooth steel spur gear together with the composite spur gear adapter fits NT18T and also option for M18T. For use in dusty conditions. Hardware included. 

Strategically lightened molded spur gear, 54 tooth / 48 pitch, made from tough composite material. 

M2.5x20 pan-head machine screw, Phillips drive. Set of 10 pieces. 

M2.5x3 flat-head screw, metric, Phillips drive. Set of 10 pieces. 

Steel balls 2.4mm for ball differential. Set of 24 pieces is enough for two ball differentials (12 each). 

Axial ball-bearing set 2.5x5.4x0.8. Includes two outer plates and high-grade polished balls. 

Carbide balls 2.4mm for ball differential. Improved, smoother diff operation over standard steel diff balls.  

High-precision axial thrustbearing for 385001 Alu. Adjustable Ball Differential for the XRAY M18. Carbide diff balls, and highest-quality materials and design guarantee the smoothest differential operation and increased life. 

High-quality ball-bearings ID x OD x thickness (mm) = 4x7x2.5mm. Set of 2 pieces. 

High-quality ball-bearings ID x OD x thickness (mm) = 6x10x3mm. Set of 2 pieces. 

High-quality ball-bearings ID x OD x thickness (mm) = 8x12x3.5mm. Set of 2 pieces. 

M2.5 nylock nut. Set of 10 pieces. 

Rubber O-ring fits over 4mm shaft, 1mm thick. Set of 10 pieces.