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The Laurel Cyclery is OPEN curbside for pick-up of repairs, online sales and for purchase of in-stock parts and accessories. If the door is locked, knock and we'll come out to assist you. For your safety and ours, please wear a mask. To schedule bike repair, check out our online appointment system. Questions? E-mail us at

FSA Orbit IS 138 Headset

FSA Orbit IS 138 Headset
  • Color: Black
Steerer Diameter:
1-1/8 – 1-3/8-inch tapered
Please select options


- 15.2mm/9.7mm CF IS-2-138
- 1-1/8" / 1-3/8", 36°/ 45° ACB
- For tapered 45mm / 52mm OD head tube
- For 1-1/8" to 1-3/8" tapered fork
- Carbon fiber top cover
- Angular Contact Bearing (black seal)
- Stack Height 16.1mm
- 65.4 grams

Part Numbers

Option UPC MPN
Black / 1-1/8 – 1-3/8-inch tapered 400310058560 121-0343