[ bike helmet can be used to craft the following recipes:

[ mining helmet
Autolearned
Player Recipe
Category: CC_ARMOR
SubCategory: CSC_ARMOR_HEAD
Primary skill used: fabrication(0)
Required skills: N/A
Time to complete: 10 minutes
Auto-learn: Yes

Components required:
> 1x hard hat OR 1x bike helmet
> 1x flashlight (off)
> 2x rag OR 2x leather patch OR 10x duct tape OR 20x medical tape OR 1x long string OR 1x long cordage piece OR 6x short string OR 6x short cordage piece OR 300x thread OR 300x sinew OR 300x plant fiber OR 300x yarn OR 300x Nomex thread OR 300x Kevlar thread
Byproducts:
(none)