NOVE-91(UL) is a 9-speed chain with max hollow parts. The NOVE-91(UL) series is a perfect example of how a lighter chain can deliver strength and speed. It provides excellent well-executed function through its elegant design, ensures every link has superior strength and delivers the safety to perform at your best whether you’re racing on a road bike or a mountain bike and anything in between. Moreover, NOVE-91 (UL) also create by “Inclined bridge” structure on its outer plates for enhancing fast and accurate shifting. Recommend for the beginner of the 9-speed road bike.