390807 – 1 1/8″ ahead head set- AVAILABLE IN SELECTED BIKE SHOPS
| affix | 1 1/8″ |
| colour | black |
| material | Steel |
| outer steerer diameter | 1 1/8″ |
| position of ball bearing | semi integrated ball bearing cups |
| convertability of bearing | semi-cartridge ball bearing |
| inner diameter | 28,6 mm |
| outer diameter of the (upper) bearing shell (B1) | 34,0 mm |
| cone seat on the fork | 30,0 mm |
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