300ex shock converion

[02ex]

is the 300ex shock conversion worth doing to the trx 90 my boy is about 140lbs
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=4551665034&category=43974

[MOD 50cc DAD]

I checked it out. It looks like a cheap solution for an upgrade. The stock ex shocks in that revised geometry looks to be very stiff. I wouldn't buy it. IMO