GOLDIX 110BCD 2X Aero Double Chainring 4-Bolt for Shimano R9200 R8100 R7100

SPECIFICATIONSBrand Name: GOLDIXCategory: Chain WheelChoice: yesHigh-concerned chemical: NoneMaterial: Aluminum alloyModel Number: GOLDIX-RTXOrigin: Mainland ChinaType: Bicycle ChainwheelUse: Road Bicycles Brand: GOLDIX model: GOLDIX-RTX Material: Aluminum alloy 7075 Process: CNC machining Weight: See actual weighing Only applicable to SHIMANO 7100 8100 9200 series and RIRO partial series cranksets, not compatible with other series! Please confirm before purchasing. We are not responsible for any installation issues caused by model problems after placing the order! MATTERS NEEDING ATTENTION It is often encountered that the driver tooth disc purchase does not matchThe Japanese crank 1l0bcd 4 claw crank has gone through 3 generationsThere are differences, not universal，It is recommended that the rider purchase the tooth plate after determiningthe size,or contact customerservice consultation