Onyx Aluminum Cog: 3/32" 16t Black MFPN=628902 SmartHead™ DX3 automatically adjusts to

SmartHead™ DX3 automatically adjusts to fit Presta or Schrader valves and a low profile air release button allows fine tuning of tire pressure while preventing unintended pressure release

For riders 5'7"-6'4"

Machined from aircraft quality 7075 aluminum to be stiff durable and long lasting

Prevents rusting even when exposed to salt water

The Basil Cento basket designed to fit on a rear mount rack and is constructed of fine-mesh steel for durability

Onyx Aluminum Cog: 3/32" 16t Black MFPN=628902 SmartHead™ DX3 automatically adjusts toOnyx Aluminum Cog: 3 32" 16t Black. Onyx aluminum single speed cogs. Broached splines are made exactly the same for every cog every time. Made in the USA TECH SPECS Tooth Count 16 Cassette Body Type Shimano 7 Speed Drivetrain Speeds Single Speed 3 32" Material Aluminum Defined Color Black