Chainring ROUND AERO 1-speed for Shimano GRX FC-RX820 (12 speed), FC-RX810 (11 speed)
Specifications
Intended to use: 1×12 speed and 1×11 speed for Gravel bike
Diameter: 38T- 161,3mm; 40T- 171,0mm; 42T- 179,0mm; 44T- 187,0mm; 46T- 195,5mm; 48T- 202,4mm; 50T- 210,4mm
Bolt circle diameter: 110 mm Shimano Asymmetric (GRX versions)
Attachment: 4-arm spider
Technology: Narrow Wide
Material: Aluminum 7075-T6
Made: CNC milling
Surface coating: Anodizing
Compatibility
Compatible with Shimano 12 speed FC-RX820 GRX cranks (12 speed)
Compatible with Shimano 11 speed FC-RX810 GRX cranks (11 speed)
Shifting: 1x12 and 1x11 speed
Chainrings you may use the following chains: 12sp Shimano (Hyperglide+), 12sp KMC, 11sp Shimano chains
Note: The ALUGEAR AERO 1-speed chainrings for GRX are Not compatible with cranks FC-RX610 and FC-RX600
Mfr Claimed Weights
38T- 75g
40T- 84g
42T- 91g
44T- 99g
46T- 106g
48T- 116g
50T- 125g