Trail conditions change in the blink of an eye. Transition from steep climbs to gnarly descents and never skip a beat with the Contact Switch seatpost. Available in three travel length options, Switch features a 2x compatible remote so you can lower and raise your saddle in an instant. Anti-twist technology keeps the saddle firmly positioned. Steel proprietary air & oil cartridge offers smooth consistent load range adjustment. Secure 2-bolt clamp design with steel hardware is compatible with standard 7mm alloy or 9mm composite saddle rails. Extra-long lower saddle rail guide designed to cradle lightweight saddle rails securely 

The Contact Switch Remote height-adjustable seatpost helps you master the trickiest off-road terrain. It's instinctively easy to use, light, and durable. Internal cable routing to maximize the design of your bike. 

Specifications:  
Material: Aluminium  
Length:  455mm  
Fit: 30.9mm  
Travel: 170mm  
Offset: 12/23mm