New MSC Bikes Ultralight pulleys. Lightest in the market?

Are MSC Ultralight pulleys the lightest aluminium pulleys in the market? If not, they are exceptionally light; but still keeping the best design and double sealed bearing 2RS at a very competitive price (20.00 euro/pair).

Pulleys are aluminium 7075 T6 masterpiece anodised in different colours and available in 10 and 11 teeth. A rotation sense is printed on laser on the main body.

Available colours: black, chrome, red, blue, gold/p>

Weight: 11gr (pair/10t) / 12gr (pair/11t)/p>

Retail price: 24.00euro/pair.