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Just come back from staying with family in Spain. When they moved in, the previous occupant had left this beautiful Sbike behind. It's a 523 but I can out very little else about it or indeed Sbikes.
I love the frame design, and after slopping around the UK on an over the top enduro bike, this rigid beauty coupled with dusty trails was a right treat!
Anyone with any knowledge?

www.retrobike.co.uk is your friend - several owners on there (usually the single tube variants) and they come up for sale fairly regularly
that is not an sbike .
Agree, I think that's a Saracen killi flyer.
Defo not a Saracen, the e-stay design is wrong. Also agree that it doesn’t look like a S-Bike. Plenty of people used that style of frame back around 1989/92 but the low rent groupset suggests Carrera or the like.
Retrobike is your friend.
Thanks for replies. I found a whole Sbike thread on the Retro forum and have posted on there.
The frame is certainly different from the arrow-head design of a lot of the other Sbike's i've seen, so I'm thinking it's a later model. But with shimano kit, steel frame and Swiss flag decal, it can't be a rebranded Saracen or Carrera (which after my Spanish trip, I know means 'race').
Simon
the previous occupant had left this beautiful Sbike behind
"Beautiful" is not the word that comes to my mind.