David Altenburg's Friends

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David Altenburg's Groups

Gravel Grinders

56 members
West Town Bike Gang

52 members

Chicago Perimeter Ride

54 members
Perimeter Ride 2012 Plan…

39 members

Idaho Stop

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David Altenburg's Discussions

Those orange bikes locked to the racks in Wicker Park are advertisements
30 Replies

Continue

Started this discussion. Last reply by Duppie Mar 26, 2015.

Monday's weather
22 Replies

...is going to be rainy all day, and then freezing in the evening.I seem to remember a day last November in which the Chainlink was full of people posting about how they had fallen on black ice. I…Continue

Tags: winter, bike, black-ice, weather

Started this discussion. Last reply by Paul Michael Ignacio Nov 24, 2014.

Winter Bike Shop Specials & Cleanings
5 Replies

I'm thinking of signing up for Rapid Transit's winter bike deal ($175 for a deluxe tune-up + $5 bike washes for the duration of winter), but I'm wondering if anyone else has any experience with it or…Continue

Tags: bikeshops, winter

Started this discussion. Last reply by Doug Haynes Sep 26, 2014.

2014 Perimeter Ride
29 Replies

Is anyone currently planning the Perimeter Ride for this year? Anything I can do to help?Continue

Started this discussion. Last reply by Tominator Aug 21, 2014.

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David Altenburg's Page

Latest Activity

David Altenburg replied to Yasmeen's discussion $4.75 Million Donation for Repair of Lakefront Trail, Information on the Reopening

"Damn straight."

Jun 23, 2020

David Altenburg replied to Yasmeen's discussion Study on What a Safe Distance Is When Out Riding, Running, Walking

"Oh, you beat me to it, and the article you linked is a much better way of what I was trying to say below. "

Apr 9, 2020

David Altenburg replied to Yasmeen's discussion Study on What a Safe Distance Is When Out Riding, Running, Walking

"I've seen this thing posted in a lot of places, and I think it's important to clarify that this isn't a study in the sense we normally talk about them. This hasn't been peer-reviewed or published in any scientific journal. The…"

Apr 9, 2020