GOLDIX | 11-12 Speed 110BCD 2X Double Chainring AERO Sprocket for SHIAMNO DURA-ACE R9200 ULTEGRA R8100 105 R7100 11S 12S 4 BOLT Chainring

Brand: GOLDIXmodel: GOLDIX-RTXMaterial: Aluminum alloy 7075Process: CNC machiningWeight: See actual weighingOnly 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 ATTENTIONIt 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