Monty Rosin Block Dark Edition

See:
https://trial-world.com/en/rim-brake-spares/1794-trial-world-rim-rosin-premium-black-power.html

Gone are the days where you scratched this stuff from the ground!
For best result spin the wheel and apply the block from beside to the rim shoulder.
The braking power will enormous increase whether on smooth and grinded rims.
This special compound developed by Monty has a big advantage in comparsion to the classic tar method, cause it's water resistant and it doesn’t contaminate the brake pads.
The block is a unique composition of natural beeswax, castor oil and american rubber.

Dimensions
-Length: 64mm
-Width: 36mm
-Height: 23mm

Weight: 30g

Attention:  If you get cought in a police patrol with the Monty rosin, you may run out of breath!