Maui Mountain Cruisers - Guided bike tour allows you to coast 38 miles down a dormant volcano. - http://www.mauimountaincruisers.com/
Bike it Maui - Guided sunrise bicycle tours down Mount Haleakala. Pictures, reservation information, and merchandise. - http://www.bikeitmaui.com/
Maui Downhill Bike Tours - Offering guided safari bike tours on Maui Hawaii. Experience the 38-mile bike tour from summit of Haleakala volcano to sea with only 400-yards of pedaling. - http://www.mauidownhill.com
Mountain Riders - Haleakala bicycle tours. Experience the 38 mile journey and bike down Mt. Haleakala with our maui bike tour guides. Shorter tours available. - http://www.bikingmaui.com/
Barefoot Hawaii Discount Bike Tours - Information about mountain biking, with emphasis on riding down Haleakala volcano. - http://www.bike-maui.com/
Maui 4 Play - Offroad guided motorcycle adventures on Maui's backroads and trails. - http://www.maui4play.com/