Silca Mattone Grande Seat Pack Bike Accessories_Frame Protectors Resistance Knob: Clutch knob

Resistance Knob: Clutch knob

developed and hand-built in Denmark and offers improved chain friction performance and increased longevity

The integrated ABS Flex Hose is Presta and Schrader valve compatible and greatly improves pumping action and ergonomics

Breathable and quick-drying SBR VENT upper body

Silca Mattone Grande Seat Pack Bike Accessories_Frame Protectors Resistance Knob: Clutch knobNamed after the Italian word for Brick, Mattone is a water resistant, ultra compact seat bag that attaches to the rails using the BOA Closure System. Unique zipper design allows it to be accessed while on the bike, or to open like a book when removed from the bike for easy access.