tyre choice and gearing?

[pit_pro-250sx_rider-139]

hye guys finally time for a new tyre on my pitpro 250(i know you hate them but you'll get over it)i dont ride tracks or anything just through out the bush once a month or so whats the best choice of tyre for life yet good traction?also gunna change the gearing on it im not 100%sure what its running now but im sure someone will know what they run on here?also after 3years the back shock has blown the seals and has into a pogo stick am i better off to get a new shock or get the seals and oils replaced?

cheers
rhys

 

[SunnyCoastRider]

Kenda Carlsbad K772

what are you wanting to change the gearing for? more acc or more top?

shock i my sellf would just go for a new one dunno what one but that's my opinion

:edit 250 mini?

 

[pit_pro-250sx_rider-139]

nahh its a fullsize pit pro 21/18 inch wheels i checked out on the pit pro website and its 250 for a new back shock?seems pricey