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…
2022 Midweek Criterium Series Finale
Criterium season is winding down and we’ll soon be on our cyclocross bikes racing through the woods and scurrying up mud slick hills. Midweek Cycling Club hosted their series final Tuesday night. Ashlin Barry…
Vintage Bicycle Feature: Praderio. Gallarate, Italy. 1950
Gino Bartali’s frustrations with the Italian back-peddling derailleurs encouraged him to approach the Vittoria Company, makers of the Margherita derailleur, and propose that he finance the production of a derailleur…
Mariposa Allroad Adventure Bike with Shimano GRX Di2
A custom Mariposa Allroad bikepacking bike with Shimano GRX Di2 2x groupset, ENVE AG25 wheelset, Rene Herse 29″ x 2.2″ tires and dynamo hub generated lights with a Cinq5 power…
Training with Perspective
For most keen cyclists who are trying to improve their fitness and performance, a ride must be sandwiched between work or school, household duties, and social activities. Few of us…
Winspace G2 Gravel Bicycle with SRAM AXS
Ready to take you on any adventure; the G2 features progressive, confidence-inspiring geometry, and clearance for up to 50mm tires. This frameset was built up with a SRAM AXS 1x…
Mariposa Adventure Allroad Bicycle with Shimano GRX Limited Edition
This Mariposa Allroad Adventure bike was built with Kaisei and Columbus tubing, a Salsa Waxwing Carbon Adventure fork with dynamo light routing and a Shimano GRX Limited Edition silver groupset. It…
Hot Summer Crit Racing
For many reasons Criterium racing is one of the best development pathways for North American bike racing. Short circuits make for easier road closures, spectators can watch the peloton repeatedly whizz past while an…
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…
Ten Showstopping Hand-Built Bikes at Unbound Gravel To Unveil SHIMANO GRX Limited
(May 31, 2022) – Shimano will have a special, collaborative exhibition at this year’s Unbound Gravel, which they asked Mariposa Bicycles to build a frame for. The exhibition will include…
Summer Books: Cycling
A history of the machine’s evolution, a dive into the thrills of bicycle racing and a meditation on the two-wheeled life. By Michael Barry for the Wall Street Journal A…
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…