SIDI Tecno 4 Iron 230mm System Pair - Black MFPN=00.4118.456.002 Tooth Count 34 Ring Position/Type

Tooth Count 34 Ring Position/Type Single Drivetrain Speeds 12 Drivetrain Speeds 11 Chainring BCD 104 Color Black Defined Color Black Material Steel

Tube Width 23-32C Valve Core Removable Valve Length 60mm Shaft Type Threaded Valve Presta Wheel Diameter 700C Thorn resistant No

The locking jaws of the BMT-1 are tightened against the sidewalls using the large adjustment knob firmly squeezing the tire body

5) to 40psi or 29 MTB tires

SIDI Tecno 4 Iron 230mm System Pair - Black MFPN=00.4118.456.002 Tooth Count 34 Ring Position/TypeThe Tecno 4 Iron is a closure mechanism developed by SIDI for its high performance cycling shoes. It represents the latest evolution in SIDIs dial based systems offering enhanced ergonomics adjustability and durability. The Tecno 4 dial lifts away from the shoe tongue creating more space for the foot to slide in easily The rotor has been redesigned to be lighter and quicker to operate than previous Tecno systems The central mechanism balances tension