With a 1.5in lower cup and 1-1/8in upper, the FSA No.57 1.5 ZS is ready for contemporary tapered-steerer bikes. Both cups are internal and carry sealed angular contact bearings. A curved alloy top cover integrates smoothly with the head tube and stem.
Features
- Tapered 1-1/8" - 1.1/2" Steerer
- 36/45° Angular Contact Bearings
- Alloy top cap
- Upper: forged alloy cup with Angular Contact Bearings
- Lower: 1.5in CNC machined alloy cup with Angular Contact Bearings
Specifications
- Stack Height: 3.9 + 7.5 = 11.4mm
- Weight: 98g
New, Never Used, OEM, This item is exactly as pictured and does not include retail packaging.