The new standard for durability and price. FEATURES: Contact-free seals and high precision build guarantee smooth bearings SPECS: Hub Drilling: 32 Hub/Brake Compatibility: Rim Brake Color: Black/White Spoke Interface: J-Bend Front Axle: QR x 100mm Center to Flange, Left: 37.4 Bearing Type: Sealed Cartridge Flange Diameter, Right: 39 Center to Flange, Right: 37.4 Flange Diameter, Left: 39 Weight: 149g