I’ve an S8 and its grand. You need to be careful what bearings it comes with because as far as I’m aware its exactly the same as the S3 except it has stainless bearings.
The stainless bearings have a grey seal, the non stainless have a blue seal. I’ve seen loads of sellers on ebay selling ‘S-8s’ but with the blue seal pictured. I bought a spare stainless set of bearings from ebay and confirmed that they were stainless, the seller admitted they were ‘because he swaps them over’… sounded a bit dodgy to me! I bought mine from Merlin for £25, its been fine.