I also am a big boy with muscular legs, I'm 100kg.
Powerskip 720's are the biggest springs I have tried out.  S Rex Type X are too soft for us bigger boys, they seem to work fine for lighter people like SoulRancher and Kiola, who are both 14stone or below.
Although if you do buy Powerskips the knee bars will be too small for you.

I hope this info helps.

I'm gonna join in on this gatecrashing gig. 

If you are too fat to bock, then I am also.  I am also 15.5 stone but it hasn't hindered me much. 

Is it just the hosting that is going down?

And to the people in the Borat thongs,  I'm scarred for life now

They would be our very own Joe aka SoulRancher [pastey white fella on the left] and Chris aka Do.It.on.Bocks [chocolatey goodness on the right].

Ya boo, you all suck!!!!!!

I´m in sunny sunny Majorca, enjoying the sun, the sand and the bocking.  We are all having a great time, although some more than others.

Gay clubbing in Majorca is awesome, although they think pink jeans are in, lmao.

See you all in  rainy blighty.

I'm number two.

Refering to yourself in the third person makes you seem even crazier. 

Nice to see you aren't listening to responsible medicians.. 

I am the exception to that rule, Toxxic.  Although, you would be too if you married a woman and then she turned out to a lesbian after 14 month of marriage.

I was married to a lesbian, does that count?

Happy birthday!!!!

Hugs and kisses to you. 

Hell mother feckin yeah!!!   Just booked and paid for my flights.  There's no turning back for this foreign climes virgin now.

Watch out ladies, the Spring Slayer is coming to Mallorca. 

This is the official Powerskip website address.

http://www.powerskip.com/

Do you want me to be?

yeah lol (only if its not a pain in the arse though)
You wear great stuff.

Nikki X

As seen as it is your birthday, it is the least I can do.

well i wasnt going to be fancy dress and colin your cow outfit is still in my car lol.

Oh yeah, I wondered where it had got too. 

Do you want me to be?