Quick Reference
- Helmet Rule
- No statewide helmet law for e bikes
- Class System
- Three class model adopted in 2023 amendments to §61 8 102
- Min Age
- No explicit age limit but 16+ recommended for Class 3
- Throttle (Class 2)
- Montana Code Annotated §61 8 102 defines e bikes consistent with federal 750W limit Class 1 and 2 assist 20 mph Class 3 28 mph
- License/Reg
- No registration or licensing required for statutory e bikes
- Trail Access
- Permitted wherever bicycles are allowed unless restricted locally
Detailed Regulations
Do I need a helmet?
No statewide helmet law for e bikes
Is the throttle legal?
Montana Code Annotated §61 8 102 defines e bikes consistent with federal 750W limit Class 1 and 2 assist 20 mph Class 3 28 mph
Can I ride on trails?
Permitted wherever bicycles are allowed unless restricted locally
Is there an age limit?
No explicit age limit but 16+ recommended for Class 3
Do I need insurance?
No registration or licensing required for statutory e bikes
Laws subject to change. Verify locally.



