Which Bike???

[Jamiesonkeir]

I recently went into decathlon with the intention of buying their b-twin rock rider 580 for £600 but when I got there they also had their rafal 700 bike reduced to £600. I have had no experience with manitou suspension so unsure of that, it also has a 2x10 group set whereas the rock rider has a 3x10 and I'm unsure if I'd miss the extra cog.

Here's links to both the bikes,
http://www.decathlon.co.uk/rafal-700...d_8338359.html
http://www.decathlon.co.uk/rockrider...d_8336093.html

If you have any experiences with either of the bikes or even b-twin in general these would be greatly appreciated,
Thanks for any help