Mountain Biking protection: The kit you need ++guide++
Amazon.com : ENLEE Mountain Bike Down Tube Frame Protector, 3M MTB Bicycle Frame Guard - Protect The Bike from Collision and Scratch (Black) : Sports & Outdoors
5 Mountain Bike Chest and Back Protectors for Gravity to Trail Riders [Review] - Singletracks Mountain Bike News
Seamless Lite D3O MTB Back Protector | Bluegrass
Down Tube Protector – RAAW Mountain Bikes
Amazon.com : ENLEE Mountain Bike Down Tube Frame Protector, 3M MTB Bicycle Frame Guard - Protect The Bike from Collision and Scratch (Black) : Sports & Outdoors
RockStop Frameguard is massive aluminium plate eMTB motor and frame protector - Bikerumor
Bluegrass Armour Lite and Armour B&S D3O Back Protector Review | ENDURO Mountainbike Magazine
ENLEE Mountain Bike Down Tube Frame and Chain Protector, MTB Bicycle Frame Guard and Chain Support Protection Device-Protect The Bike from Collision and Scratch E214