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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
NOTE: "In store" availability on bicycles includes some bikes still in boxes. Please contact us via the live chat icon at the bottom of the page or call us at (303)444-4196 to confirm build status. ----------------This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience. We also offer free regional Home Delivery for any purchase over $100.

To use our $10 Local Delivery service, select it while viewing your cart or during the checkout process.
Please call us at 303-444-4196 with any compatibility questions! We are always happy to help.


- 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