It's neither ph1 or ph2, which makes me think it's JIS - which I don't have. I'm not going to turn a socket to try and disassemble a 15-20 yr old part in the hope of fixing it, lol. I took my shot and failed.
I have very few bike specific tools (for my sins). It’s mostly stuff I use for work. I also do the bare minimum of bike maintenance, lol. Hence why I found a love of fixed and S/S!
It's neither ph1 or ph2, which makes me think it's JIS - which I don't have. I'm not going to turn a socket to try and disassemble a 15-20 yr old part in the hope of fixing it, lol. I took my shot and failed.