ZRACE UNCHAINED Chainring 105 R7000 R7100 / ULTEGRA R8000 R8100/DURA-ACE R9100 R9200 Asymmetric Road Chainring 50-34 52-36 54-40

After 1 year of testing and optimization, we have brought this new UNCHAINED Chainring. Every support reinforcement rib and hollow part of the Chainring has been calculated and optimized for a long time, ensuring the best force efficiency while being as light as possible. This Chainring can be paired with our new UNCHAINED PRO carbon fiber cranks, and is also compatible with 105/ULTEGRA/DURA-ACE cranks.Brand:ZRACECompatibility: FC-R9100 / FC-R9200 / FC-R8000/ FC-R8100 / FC-R7000/ FC-R7100Speed:10s/11s/12sMaterial:AL7075Heattreatment:T6Colour:BlackSize:50-34T/52-36T/54-40TWeight: 50-34T 161g / 52-36T 176g / 54-40T 195g