FSA NO.55R/558 1.5 ACR RETROFIT headset, integrated
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Delivery method on Friday 14.08.2026
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FSA NO.55R/558 1.5 ACR RETROFIT headset
The integrated FSA NO.55 headset was designed for head tubes with an outer diameter of 55.8 mm. It is equipped with angular contact bearings and is compatible with 1 1/8" - 1.5" tapered forks.Product details
| Fork neck | conical (tapered) 1 1/8" - 1.5" |
| Material | aluminium |
| Head tube outer diameter | 55.8 mm |
| Compatible fork | 1 1/8" - 1.5" |
| Upper cup height | 7 mm |
| Weight | 101.4 g |
| product ID | 252810 |
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FSA (Full Speed Ahead) is a global brand with a very wide range of products for all cycling disciplines. In its assortment, it even has its own road set, under the subsidiary brand Vision it mainly offers road wheels, including specialities for time trial and triathlon.
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