Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 18307 18x30x7mm Steel 2pcs ModelNumber=K2306 3-Year Warranty

3-Year Warranty

Rings 48/31Number of Chainrings DoubleDrivetrain Speeds 9Chainring BCD 110 Shimano AsymmetricChainring BCD 80Color BlackCrank Length (mm) 175Crank Intended Use GravelCrank Intended Use CyclocrossCrank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type Square Taper JISDefined Color Black

}Promax SQ-1 Crank Arm Set - 150mm Square Taper JIS Spindle Interface 110mm BCD Gold

Mechanical actuation

}Full Speed Ahead Pro Road Chainring - 52t 110 BCD Aluminum N11 Black

Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 18307 18x30x7mm Steel 2pcs ModelNumber=K2306 3-Year WarrantyThe Wheels Manufacturing sealed bearing units are very first quality replacement part, and fit most hubs currently in use. TECH SPECS Bearing Dimensions 18x30x7mm Number MR 18307 Material Steel Bearing Grade ABEC 3