
FSA NO.55R/57-A
SHIS: ZS56/28.6 | ZS56/40
- Compatible with a 56 mm internal head tube diameter (top and bottom) and a 62 mm external head tube diameter
- 1.5" bearings (upper/lower): 36°/45° ACB (angular contact bearing)
- Black forged alloy cups
- For tapered steerer 1-1/8" to 1.5"
- 1.5" alloy crown race included
- Overall height: 11.6 mm
- Weight: 147 g








