<div class='quotetop'>Цитата(Serg_ @ 27.05.2009 03:01) <{POST_SNAPBACK}></div>
Откуда такая информация?[/b]
Ну вам же выдержки по используемым технологиям привели...

<div class='quotetop'>Цитата</div>
717
Ceramic 2 (By using a plasma beam torch spreading titanium and aluminum oxide powders on the sidewalls of the rim we create a thermal shield that is 30 times harder than aluminum.)
H2 - Hammer Hardening (Reinforcement of the area around each nipple hole by hammering to compress the material of this sensitive zone. The rim can be eyeleted on top to even more improve resistance.)

719
CD - Couche Dure (A chimical anodization process that forms a micro-hardness on the surface of the rim)[/b]