Shimano Tiagra FC-4703 10-Speed Chainring - 50t Asymmetric 110 BCD Black MFPN=180-0035067050 Requires 4mm hex for chain Inner Ring Compatibility:32T

Shimano Tiagra FC 4703 10 Speed Chainring 50t Asymmetric 110 BCD Black MFPN=180 0035067050 Requires 4mm hex for chain Inner Ring Compatibility:32T Requires 4mm hex for chain tool driver which can be found on the EnCase Hex Bit Wrench Low profile air release button for fine tuning Shimano chainrings for Tiagra FC 4703 3x crankset features a refined gear shape optimized for HG X chainsCrafted with high strength aluminum for durability and light weight Color Black Ring Position Type Outer Tooth Count 50 Round or Oval Round Drivetrain Speeds 10 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Bcd 110 Ring Position Outer