NSR LIGHTEST NO-FRICTION 11t PINION sidew
521 NEW!!! Improved with smaller teeth thickness.
The lightest 6.5 mm pinion in all the world!
Extralight, its weight is –40% than other pinions.
No-friction, special teeth profile for NSR gear.
This is for best acceleration and silent mesh gear.
We recommend to use only NSR gears.
All NSR products are with quality warranty