In the 1940’s and 50’s when cyclocross was a growing sport in Europe, riders used single freewheel bikes as derailleurs were still in their infancy. Without derailleurs or multiple cogs…

Mariposa Adventure Bicycle
This custom Mariposa was built with Kaisei tubing, fillet brazed, has braze-ons for front and rear carriers, an ENVE Adventure carbon fork, GRX Di2 groupset, Princeton Carbonworks GRIT wheels, ENVE…

UCI Blue Mountains Gravel World Series Race. June 11, 2023
Mariposa Bicycles featured prominently on the podiums at the 2023 UCI Blue Mountains Gravel World Championships qualifier. Devon Clark won the women’s race, while Ashlin and Michael Barry finished third and seventh place…

Mariposa Allroad Bicycle
A custom allroad bicycle built with Kaisei tubing, lugged and a Whisky Carbon Fork that accepts fenders. This bicycle has a Shimano GRX Di2 groupset, ENVE Foundation wheels, René…

Mariposa Feature: Allroad Bicycle with Dura-Ace Di2
A custom Allroad bicycle built with Kaisei tubing, lugged, brazed and a Ritchey WCS Gravel Carbon Fork. Specifications: Groupset: Shimano Dura-Ace R9170 Hydraulic Di2 2 x 11 speed Wheels: Shimano…

Mariposa Bicycles: The Essence of What We Do
Cinematographer, Luke McCutcheon, Jacq Antrade and team beautifully capture the essence of what we do at Mariposa Bicycles in this short film.

Mariposa Feature: Allroad Bicycle with Shimano Ultegra R8170 12 speed
A custom Allroad bicycle built with Kaisai tubes, lugs and a Whisky carbon fork that accepts fenders. It was built up with a Shimano Ultegra 12 speed hydraulic groupset, ENVE Foundation 45 wheels…

Mariposa Feature: Track Bike
A custom track bike ready to roll at Mattamy Velodrome. Built with Kaisai tubes, lugged, brazed and with a carbon fork, a Dura-Ace 7700 groupset, Fast Forward wheels and Vittoria…

Mariposa Feature: Road Disc Bicycle with Shimano Ultegra R8170 Groupset
A custom Mariposa road disc bike built with kaisei lightweight tubing, a Ritchey WCS Road Disc Fork with clearance for 700C x 30mm tires, a Shimano Ultegra Di2 R8170 2…

Mariposa Feature: Road Bicycle
A new lugged steel rim brake road bike built with Kaisei tubes, a Ritchey WCS carbon fork with clearance for up to 700C x 30mm tires, a Shimano Ultegra 8000…

In The News
A collection of stories, news and information that we thought you might find interesting and relevant. A new study of 1,200 Denver residents found those who spent more time in…