Black Label Series:  OS Stem - 31.8mm

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Black Label Series: OS Stem - 31.8mm
Stem from our Race-Inspired Black Label Series

Perfect for the street or the track, the Black Label Series components pack a heavy punch.
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From the Black Label Series, this is a high-quality 3D forged alloy stem. This stem weighs in at 161g and will fit any State Bicycle Co. bike w/ 31.8 Oversize clamp diameter.


Length: 90mm

Clamp Size:

Steer Tube Size: 1-1/8" 

Material: forged alloy


SHIPPING:  Most in-stock items ship within 1 business day! Tracking information is provided upon shipment. Learn more about our Shipping Policy

ASSEMBLY:  Ships 90% assembled. We strongly encourage having your bike professionally assembled.

WARRANTY:  Warranty activated when you submit proof of professional assembly. 

  • 5-year Warranty on all bicycle frames
  • 1-year Warranty non-consumable parts
  • 2-year Warranty on Essor USA products

Learn more about our Warranty Policy.


RETURNS: If you wish to return your purchased item, you may do so within 7 days of delivery. Learn more about our Return Policy.

We pride ourselves on having a friendly and knowledgeable staff. Contact us and we'd be happy to help you out in any way we can.