Onyx Aluminum Cog: 3/32" 18t Black CheckoutSpec= Presta Valve SmartHead DX1 automatically adjusts to

SmartHead DX1 automatically adjusts to fit Presta or Schrader valves without any extra bits adapters or switches

Deluxe double arm stand offers repairs on 2 bikes at a time or individually

Flip levers are easy to operate and secure the bike

Model Bomber Air Inline Stroke 55mm Eye Eye-210mm Size 210Mm Length 55Mm

and full nickel plated for use with 11 speed drive trains

Onyx Aluminum Cog: 3/32" 18t Black CheckoutSpec= Presta Valve SmartHead DX1 automatically adjusts toOnyx aluminum single speed cogs. Broached splines are made exactly the same for every cog every time. Made in the USA Tooth Count 18 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Aluminum Defined Color Black