Hi Boland
CCM have our mobile tech service – see the Service tab in Club CCM – Mike can assist with accessories – spares@ccm-motorcycles.net
The power commander up-grade is the best thing you can as it increases the power and torque and gives more tractability removing the lean spots programmed in for emissions testing.
There are two height bikes plus the GP450 with supermoto wheels;
• standard bike c/w standard seat 890mm
• standard bike c/w high seat 950mm
• lowered bike c/w high seat 850mm
• lowered bike c/w standard seat 790mm
Plus the RS model with supermoto wheels
• Standard seat & std. suspension 870mm
• Tall seat & std. suspension 930mm
• Standard seat & low suspension 770mm
• Tall seat & low suspension 830mm
I hope this helps