The Chainlink

David Altenburg's Groups (12)

  • Gravel Grinders

    49 members Latest Activity: May 14

    Do you enjoy riding smooth crushed limestone or find the North Branch Trail's parallel dirt paths irresistible? Hardcore enough to tackle the…

  • West Town Bike Gang

    52 members Latest Activity: Feb 12, 2018

    Think mini-flash mob on two wheels on the West Side. This group is for local spontaneous meetups with fellow riders. If you live in Humboldt Park,…

  • Chicago Perimeter Ride

    54 members Latest Activity: Oct 6, 2019

    For more than a decade, the most beloved Century ride on the calendar. 100 miles around the edge of our fair city in a single day.

  • Perimeter Ride 2012 Planning Group

    39 members Latest Activity: Aug 5, 2014

    The Perimeter Ride has been going for a solid decade and is an important first century for a lot of people who might not try such a thing without…

  • Idaho Stop

    52 members Latest Activity: Dec 7, 2016 Group for support of implementing the "Idaho Stop" in Chicago, allowing cyclists to treat Stop signs as Yield.

  • Kidical Mass

    109 members Latest Activity: Dec 15, 2016

    Fun, free, group bike rides for kids of all ages!

    This group is for planning and discussing Chicago Kidical Mass rides

  • RAGBRAI

    127 members Latest Activity: May 28, 2019

    A source for RAGBRAI info

  • Eat to ride, ride to eat

    173 members Latest Activity: Jun 14, 2016

    Calling all foodies, gastronomes, and gluttons alike! I'm proposing a monthly get-together that rides to a destination that offers delectable…

  • Critical Mass discussion

    263 members Latest Activity: Jan 29

    For discussing anything Critical Mass. Your loves, your hates, things you would like to see more or less of, theory, hooligans.. Any topic open…

  • Bike Winter

    472 members Latest Activity: Dec 1, 2019

  • Commuters

    371 members Latest Activity: Oct 16, 2017

    Commuter cyclists, unite!

  • commute by bicycle

    61 members Latest Activity: Sep 22, 2017

    this group is for people that commute by bicycle in the city

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