Ribble clearance e.g HG50 8-Speed Cassette - 11/32T £9.99 del @Ribble Cycles plus other bits

[grey-beard]

Very cheap Shimano disk brakes.
https://www.ribblecycles.co.uk/mt201-br-ur300-950mm-front-flat-mount-disc-brake/

 

[slackboy]

Very cheap Shimano disk brakes.

Very cheap, but flat mount so only fit newer hybrids and gravel/road bikes (with some odd ball MTB exceptions)