Thursday, April 25, 2024

Flats Blow


I decided it was warm enough not to have to layer up for a longish ride this afternoon. I was wrong about that and apparently the Miyata decided it was time to go home 6.5km away from home. 

I felt the unmistakable feeling of a rim touching the road, stopped and pumped the rear pack to a rideable pressure. Turned around and headed back the way I came, for about 30 seconds. Once again felt the same bad feeling and stopped. Resigned to calling for help, I texted Sal.

The 90's Miyata Triple Cross is supposed to be heading for Calgary where she came from later this summer. She underwent a major overhaul, the most ambitious project I've ever completed. After upgrading my All-City Pony Express to a wider range Microshift drivetrain I decided to replace the 7 speed drivetrain on the Miyata with the original Sram 10 speed of the All-City. Sounds straight forward doesn't it?

Not so much. It required cold setting the steel frame, widening the space between the chain stays to allow a longer axle and wider cassette. I watched a few Youtube videos, gathered the components to make some crude home-made tools and went to work. It took some head scratching and testing to get it right. After lining up the derailleur hanger by eye she shifts very nicely. 

As for the flat, better here and now than someplace miles from rescue in Calgary.

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