Distinctly modern and angular design . Design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets . Injection molded carbon fiber reinforced PA cage offers high levels of strength and durability . Grade 3 silicon nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry . Customizable spring tension settings for optimal setup . Available with ALPHA disc pulleys featuring ADR bearing protection or alloy 5-spoke pulleys and standard handbuilt CeramicSpeed bearings . ALPHA disc option available with an oversized logo, designated as Team Edition . 4-year warranty on 5-Spoke. Lifetime warranty on ALPHAItem Specifications: Upper/Lower,.
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