My apologies, you mean this? The derailleur hanger?
I think it’s a fairly common one but you could try here?
https://magbikes.co.uk/product/derailleur-hanger-for-trek-230026/
Or take a look at BETD for more aftermarket hangers
I’d look at modern 24” kids bikes for appropriate ratios. From memory this build has 9sp 32/34 lowest on the cassette and 34 or a 36 on the front.
I’m thinking about single speed because my boy just can’t get on with gears or cycling for that matter :-/
Here’s a spec sheet for a Frog 24 for...
A lot of info here on the newest and some older wearables
https://www.wareable.com/?s=Heart+rate+monitoring
I’m a withings sport user having wanted something that still resembles a watch and didn’t constantly need charging. It does sleep tracking as well as heart rate, had it since 2019 and...
Just one thing from my experience. When Marzocchi the first introduced the “m” arch, it was secured to the lowers through an extra long canti stud. People started removing them and running disks putting poorly fitting Allen bolts in place of the canti stud. This then led to the oil leaks and...