# Rings Designed For  | Double | Outer Plate Markings | Campagnolo World Logo |
| Inner Plate Markings | | Clamp Markings | Campagnolo |
| Inner Clamp Markings | | Design Category | Pushrod |
| Pivot Arm Markings | N/A | Plate Material | Steel |
| Clamp Style | 28.6mm Clamp | Cable Attachment Bolt | 8mm Wrench |
| CableStop | Yes | Clamp Bolt Type | 8mm Wrench;
Flat Head Scewdriver |
| Max Ring Difference | | | |
| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| Gran Sport (1951-196X) | Campagnolo | 1951 - , Road Race | View 26 Components |
| Details: Hugo Koblet won the 1951 Tour de France in July using Gran Sport derailleurs. |
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