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 Allroad with GRX RX820, 2 x 12 speed Mechanical Disc Groupset
This Mariposa Allroad bicycle was built with Kaisei tubing, lugged and a Ritchey Adventure Carbon fork.  It has Shimano’s new GRX RX820 2 x 12 speed groupset, which  provides wider…

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…

Mariposa Feature: Allroad Bicycle with Shimano Ultegra R8170 2×12 speed
A custom Mariposa built with Kaisei tubing, lugs, a Ritchey WCS carbon fork, an Ultegra 2×12 groupset, Ultegra C36 Carbon wheels and Rene Herse Barlow Pass Standard 700C x 38mm tires. Specifications: Frame:…

Mariposa Allroad Bicycle with Shimano GRX
A custom Mariposa built with Kaisei tubing, lugged, a Ritchey WCS Adventure carbon fork, a GRX 2×11 groupset, ENVE AG25, ENVE SES AR Bars and Maxxis Rambler 700C x 38mm tires.

Mariposa Feature: Allroad Bicycle with GRX LEÂ
A custom Mariposa built with Kaisei tubing, lugged, a Ritchey WCS carbon fork, a GRX LE 1×11 groupset, GRX Wheels, Maxxis Rambler 700C x 38mm tires, Shimano Discover handlebars and…

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…

Hell of the North. Spring, 2023.
Sunshine, wind and dusty tracks at Hell of the North this year. Thank you to Ed Veal and Real Deal Racing for organizing another great day out. This event holds a…

Mariposa Allroad Bicycle with SRAM AXS
A custom Allroad bicycle build with Kasai tubing, lugged and a SRAM Red Hydraulic disc groupset, Princeton Carbonworks GRIT Wheels, Chris King hubs and headset, Rene Herse extra light tires…

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 x FRETORI Bicycle with Shimano GRX LE
In 2003, Charlie Bryer watched the UCI Road World Championships in Hamilton, Ontario. As a grade 10 hockey and soccer player, he didn’t know much about cycling.  However, watching Michael Barry attack…

A Custom Mariposa Built for Paris-Brest-Paris
ParisâBrestâParis (PBP) is a 1200 km (750 mile) Brevet that was founded in 1891. Â The event is held every 4 years. Â As in all Brevets, riders need to be self-sufficient,…