As of January 2012 these rims are no longer being manufactured

Cahoza Carbon Fibre plastic rims for rear wheels

CHZA 4112

12mm diam

NEW FIBRE CARBON PLASTIC RIMS

new Cahoza plastic eurorims, for 3/32" axles, available in 2 sizes,
diameter 10mm (.394") and 11mm (.433"), width 20mm (.787"),

these rims are manufactured using new fibre carbon polymer,
these rims are very precise and rotational accuracy is 0,07mm (.0027") at maximum,

weight of one pair of 11mm rims weighs 1,92grammes,