RESPRO TECHNO UPGRADE KIT (VALVE AND FILTER) COMBO Size:L SLX and Alfine disc brake

SLX and Alfine disc brake

Diameter / Hub

Allen key attachment for easy attachment

reconfigured gearbox

double-wall locking bow made of hardened steel for maximum security

RESPRO TECHNO UPGRADE KIT (VALVE AND FILTER) COMBO Size:L SLX and Alfine disc brakeThe Techno Valve and Filter Kit is an upgrade from the old City Mask Valve and Filter still being used by some people. The larger Techno Valve provides for easier breathing alongside the upgrade to the combined chemical particle Techno Filter. The Techno Valve is robust and perfect for town use however it does not have the same characteristics as the Powa Valves when it comes to elevated breathing rates attributed to exercise or physical exertion. The