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I can relate. The black framed bike could have been my forever-bike and it was flawless. But I did not ride it at all that much, as it wasn't that practical and I kept tinkering with my other bikes. Now with the green frame I can ride it every day. And I don't need to worry about a rusty chain...

Nicely done! Very impressive. I‘d like to ask for how long you used the belt drive, but since the hub died a premature death it probably was not more than a chain would have lasted, right?

Got any photos of that? How did you make the frame?

At least I hope so. I tried to match the chainstay length either side. That should be close enough. There is this Excel sheet available through Gates (the belt manufacturer) where you can check what belt length and pulley sizes work out to which chainstay length at the correct belt tension etc...

The initial setup is a lot more involved. The belt needs to run absolutely straight. I ended up measuring the front pulley's position from the center of the seat tube and positioned the rear pulley accordingly on the hub, measuring from the hubs end cap and subtracting that to get the...

I spoke to a frame builder. Rear triangle misalignments can be dealt with easily. But it seems the front triangle is also misaligned. And that is impossible to correct with his means. I got the frame from a distant friend, who got it from his father-in-law. The original forks are missing. As...

It’s done. The belt drive is fairly impressive. Feels rock solid and very efficient. The frame itself seems to be out of alignment, though. Possibly due to the coupler having been inserted. The issue is fairly complex and tricky to explain without the bike at hand. Also the fenders rub when I...

It’s been my first time using spray paint. I‘ll spare you the details. But at least it‘s more green than before. That was the goal, mostly. Piecing together the driveline and adjusting the „belt line“ went much better. Next step will be mudguards.

And properly adjusted V-brakes use less much lever force and offer superior modulation. SCNR🙃

Sounds good to me!

Primer is done. The steerer was a little corroded. So I figured a light sanding and some anti-rust primer would do no harm.

Excellent! I think too many coloured nipples would take away from that undeniable classy look. For my Catalyst I tried to pick up the colours of the rim decals with the nipples. It’s just one colour here, so maybe just two coloured nipples either side of the valve hole? But it might prove...

It’s working fine. Feels much more solid than the regular drivetrain. Next step is to strip it down and touch up the paint.

Pulled another set of cranks out of the parts bin, got a new spider that works with the front pulley and it works; without taking 5mm off the BB shell or putting a big old dent in the chainstay. It‘s a fairly tight fit allround, but so far so good. break-in test

I have received the crankset and installed the pulley. I have removed the XTR crankset and installed the Red crankset just to check. Not too shabby! This could work! The challenging part: the green frame with the seatstay coupler does not have that big dent in the chainstay.

Fitting a 46t pulley could prove to be more challenging than expected. Using the Sram Red crankset will likely be impossible, due to the chainline. A 50t chainring on a similar road crankset will definitely not clear the chainstays. Even before reducing the BB Shell width.

OnOne Fleegle