GEBHARDT chainrings are manufactured from
3.5 mm DURAL 42 42 01.62 (AA2017A-T4)(DIN 1725)
GEBHARDT chainrings are compatible with probably all chainsets commonly available. Longtime durability and low wear of GEBHARDT chainrings are guaranteed through choice of material, tooth-shape design, types of teeth and by the production process. GEBHARDT chainrings are in stock in all the common PCDs:
58 mm, 74 mm, 94 mm, 110 mm, 130 mm, 135 mm, 135 mm 1/8", 144 mm, 64 mm 4 bolt, 104 mm 4 bolt. (Find out the size you need.) Also available 116 mm and 151 mm (very old Campag Road and Track respectively).
Recent additions are SRAM 4 bolt in 80 and 120 PCDs, Dura Ace/Ultegra 11 spd CNC 4 bolt in 110 PCD, 86 PCD 3 bolt (special order only) and XTR FCM960 CNC 4 bolt in 64, 102 and 146 PCDs. RED, BLUE or GOLD finishes are available as special order. Please telephone for prices and to order. Chainrings not listed can be obtained by special order (what is available) - it may take 6 weeks. Rock Rings are available with compatibility for most PCDs. These are mainly used for Cyclo Cross and Recumbent bikes. Please state tooth-number to be covered when ordering, you may also need longer bolts to accommodate the Rock Rings. Rock Rings are generally not in stock and may have to be made to order. Available in black or silver.