FSA
FSA No.57 Orbit 1.5 ZS Tapered Bicycle Headset with Top Cap - 50/62mm OD
FSA No.57 Orbit 1.5 ZS Tapered Bicycle Headset with Top Cap - 50/62mm OD
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$65.99 USD
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$65.99 USD
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FSA No.57 Orbit 1.5 ZS Tapered Headset 1-1/8" to 1.5", OD 50/62mm, w/Top Cap
Brand: FSA
Model: No.57 Orbit 1.5 ZS
Type: Semi-integrated (ZS / Zero-Stack), tapered
Made in Taiwan | Brand New, bulk-packed (no retail box)
--- SPECIFICATIONS ---
Type: Semi-integrated ZS, tapered
Head tube OD: 50mm (upper) / 62mm (lower)
Head tube ID: 44mm (upper) / 56mm (lower) [ZS44 / ZS56]
Steerer: tapered 1-1/8" to 1.5"
Bearings: 36° x 45° angular contact (ACB), sealed (black)
- upper 1-1/8" (28.6 / 44mm)
- lower 1.5" (39.8 / 56.95mm)
Headset cover: 8.2mm
Stack height: 15.6mm
Weight: approx. 101g (headset only, excl. top cap & starnut)
Color: Black (same as the photo)
--- WHAT YOU GET ---
1 Set: upper + lower ZS cups with bearings, alloy top cover, top cap and starnut included.
--- DESCRIPTION & MATERIALS ---
- Forged alloy cups, 36°/45° angular contact bearings
- Upper: forged alloy cup with ACB (black seal)
- Lower: forged alloy cup with 1.5" ACB (black seal)
- Alloy top cover
On May 28, 2026 at 21:13:51 PDT, seller added the following information:
Best-selling
On Aug 2, 2026 at 03:01:17 PDT, seller added the following information:
We do not accept returns or cancel for change of mind. We only offer returns for items that are faulty or damaged.
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