Prototipo Works – Ultra Low Profile Porter Bolts (Charcoal) By Type_ROAD/GRAVEL enables the clamp safer tightening

enables the clamp safer tightening with no excessive stress on seat tube and their supports

A silicone pad protects your frame from scratches and provides a non-slip grip

How much does it weigh

keep wiring (if any) neatly routed and tucked out of sight — this mount helps preserve clean looks

Cutting may compromise structural integrity

Prototipo Works – Ultra Low Profile Porter Bolts (Charcoal) By Type_ROAD/GRAVEL enables the clamp safer tighteningDescription: Made in Australia Introducing a variant of our Ultra Low Profile Bidon Bolt, our new Ultra Low Porter. Our Ultra Low Porter Bolt is designed for applications where a little more thread is needed. A common example is when mounting two or more accessories like a frame pump holder and a bidon cage on the same pair of bidon accessory mounts. Works best with open style bidon accessory mounts (look for a hole straight through at the bottom