RIDEA ROAD 4A BCD110 52x36 Lami-Flow Ring-W W2(±2T)

Road model that efficiently converts pedaling power into propulsive force Lamiflow model achieves weight reduction and improved aerodynamics based on a unique concept. Compatible cranks (12S is compatible with LFR492~ models) R9200/ R8100/ R7100/ R9100 / R8000 / R7000 / 9000 / 6800 / 5800 Round (perfect circle) W2 and W3 are the difference in ellipticity