The pistons feature a hybrid construction of composite ceramic and stainless steel for improved heat dissipation

solid pins have a slight weight penalty compared to hollow pin chains

Lightweight casing (120 TPI option): Designed for maximum performance in racing situations

They offer high leverage and include an integrated cutting blade and soft touch grips

Requires 3 AAA batteries NOT INCLUDED

Ride Concepts Transition SPD Shoes - US 7.5 - Lime - Black Back in Stock The pistons feature a hybridIf you like the security and power provided by clips but still want a shoe with a rugged design and an emphasis on comfort and protection then you will love the Ride Concepts Flow Transition SPD Shoes. Featuring D3O impact protection in the insole and collar, additional rubber toe and heel protection and a high rise midsole, these shoes will keep your feet strapped in and safe so all you have to worry about is destroying the trails. Who's It For: