HMF Quiet Core Insert 2026SpringTent All-day comfort of triple-layer face

All-day comfort of triple-layer face foam with moisture wicking polar fleece lining

Exclusive dual compound sole is seamlessly integrated to the multi-density foot base structure with built-in support

Stretch woven softshell for great fit and breathability

Make gripping your ride incredibly easy for increased bike control with more contact between bike and rider

This leads to a more precise and less restrictive fit

HMF Quiet Core Insert 2026SpringTent All-day comfort of triple-layer faceThe HMF Quiet Core is an insert made of 201 Stainless Steel and installs on most HMF exhausts in seconds. It's designed for sound sensitive riding areas and decreases the sound level approximately 3 6dB. Quiet Core Fits: Peformance Series Swamp & Swamp XL Series Penland Series (Torque Range Modifier removed) Signature X Series