E-BIKE MT Rad Rover 4" Fat Tire Electric Bike RAD POWER BIKES 20 miles perhour $20 hr. additional hrs $10 (day & weekly rentals) Delivery Drops at: -Vacation Homes Private Homes .Trailheads Available in the Big Arm Area! e-bikemt.com Sailboat Rentals . 2016 Windrider 17' Sailboat available at Big Arm State Park (406) 833-0465. sailbigarmbay.com . 2018 Hobie TI Trimaran Sailboat