^ Pro Version Lightweight Carbon Fiber. Mainly For Historic F1 Cars Or Extreme Reclined Positions. Weight About 500 G. ^ Specifications 40 ° Pro F1 Medium ^ Part Nr.42462 ^ ^ Materialcarbon Angle40 ° ^ ^ Modelpro Sizemedium ^ Homologationfia 8858-2010Fia Approved With Carry Bag, Without Slipstop