robot.hebobo's latest activity

Ooh, nice. I agonized over (spending my life savings on) this bike vs the Tange Prestige Specialized Stumpjumper back in 1993 (also at...

Love this thread. Retro hats off to you @robot.hebobo for trying to resuscitate (had to Google spelling of this word!) the Avocet 30...

My understanding is that there are no moving parts. The sensor is a coil of wire that passes through the changing magnetic field from...

Very very fair enough. It's all for love and not for love of the wallet in this weird environment. Sometimes. Obviously. Good on you...

Final attempt, with new magnet orientation. Absolutely no difference. I'm coming to the conclusion that the problem was never the...

Interesting (and disappointing) to hear. There was a time when these were everywhere though, so they're kind of iconic (at least to me)...

Hah, that's how I got this one (well, I offered $5 to take it off a bike at a garage sale, and the seller accepted) I've now spent $12...

I'm going to try one more time with fewer magnets in a different orientation, before giving up

Well, I tried... remagnetizing the original ring seemed to be ineffective, so I designed and 3d printed a new ring with 10 neodymium...

The 1991 Paramount PDG restoration is coming along. I decided to replace the cables with new stuff with orange housing to match the...

Thanks, that makes sense. I'm going to leave them be!

Im sure somebody can explain this is more technical terms! 🤣

The damage your seeing is as d8mok says very common on old parts. Basically the process of anodising doesn't create a constant solid...

All that is common on Shimano parts. They are clear anodised or silver anodised. You can’t polish anodising but you can polish it off...

If it's a clue to how these marks occurred, one thing to note is that this bike is from Minnesota, USA, where we have very cold winters...