For those planning a Mt. Lemon ride in Tucson. Ed Rios an engineering friend designed a tandem parachute. Tandem rim heat can reach 400 degrees on long descents. Tires have been known to fail at 350 degrees. Tucson long bike riders Bob and Clair Rogers on Zippy testing the drag chute. 2 min
https://www.youtube.com/watch?v=ztLtiyC6qMQ&feature=share

Gibbs Flat versus Riser Bar 8 min
https://www.youtube.com/watch?v=aTQbmXwiavo

Canadian Wheel truing, eh? 6 min

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