Compass is the most updated head-set range specifically designed to complete and interface the Columbus carbon fork and steerer tubes (an of course all others with this size).
- Model 737SS47 ZS44-28,6 / EC44-40 (1 1/8″ upper and 1 1/2″ lower)
- 45° Stainless Steel Bearing Alloy
- Top Cap Upper stack height: 10.1
- Lower Stack height: 14,4 mm











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