Pack of sprockets for Campagnolo ® 12-speed transmissions. The structure features 10 single chainrings made of special high-resistance steel with matt chrome finish. The last two sprockets are machined from solid and form an AL 7075 T6 aluminium alloy monoblock with HT Hard Treatment anodization. Two available combinations. The weight of the cassette in the 14/30 configuration is 390 g.