Upgrade these 3 bike components can enhance drivetrain smoothness & shifting accuracy.
You never know the performance gain before you upgrade the components. Ride with stock components is always recommended since its brand new and grease is still fresh. Oversized pulley gear also known as OSPW (Oversize Pulley Wheel), it has been used by pros in major grand tour. The key aims to reduce friction of chain winding when the chain wrapping across the rear derailleur cage to cassette. Hence, logically, low friction means smoother and same some watts. Longer bike chain is necessary to change since the pulley size has enlarged. Re-extend extra chain-link from existing chain is not recommended to avoid chain snapping which will spoilt the purpose of the upgrade :( The Sigeyi is a direct mount hanger, the mechanism is direct and can save some grams. Hope this technical video useful when u upgrade these components. Kogel Kolossos Oversized Pulley Derailleur Cage Sigeyi Direct Mount Hanger KMC DLC Chain 11s You can shop online or visit our store for detail.
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