Saucony Endorphin Trainer - White/Black Size:US 9.5 the GX Eagle rear derailleur

the GX Eagle rear derailleur delivers unprecedented shifting performance

Similar to the hangers  seen on Pro Team bikes

This revolutionary advancement not only enhances its aesthetic appeal but also sets new benchmarks in optical clarity

Designed to help eliminate premature chain wear and chain breaking by limiting the pull lever to a single engagement

and bends are ground to appear smooth

Saucony Endorphin Trainer - White/Black Size:US 9.5 the GX Eagle rear derailleurThe Endorphin Trainer is our first premium fast and light training shoe that combines the innovation, efficiency and a distinctive feel of the Endorphin franchise but engineered specifically for everyday training runs and high mileage weeks. CARBON FIBRE PLATE Helping the midsole to compress and expand faster, allowing more reactivity and returning more energy back to you. incrediRUN Premium, high performance super critical co polymer engineered for