... carbon steel; 2. Diamete is from 38 to 89mm; 3. Flange is from 150 to 250mm 1. All the seriers of bike ... , Hot-dip Galvanized, Sandbalst with paint, etc;4. Material: Carbon Steel, S235, 195, Or 345; Stainless Steel, SUS304, Or ... are albe to help customers devlop new concept bike rack;6. The bike rack can be widely use in not ... , but also good service. 2012 Stainless steel or Carbon Steel Bike Racks