7t to 16t 64p Solder-On Pinion
Sonic pinions are compatible with all standard 64 pitch spur gears.
manufacture their pinions, they do it after hardening for long gear
Pinion Gear Information
All Sonic pinion gears, both press-on and solder-on are made to the same
high standard and from the same materials. Sonic cuts all their pinions individually on a
dedicated gear machine for maximum tooth precision. All types of slot cars
will get the same consistent high performance from all Sonic pinions.