The Black Market Underboss stem… CNC’d from machined 6061 aluminum with 50mm reach & 31.8MM bar clamp diameter, massive hollow center section and cut-aways to reduce weight while retaining 100% rigidity and Classic Black Market style.
- 31.8mm Clamp Diameter
- 7.5oz / 212g
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.