1. Can any owner tell me effectiveness of Hunk or CBZ grs. Can it be repaired and made smooth.
2. Can The sitting of Old CBZ extreme changed, means cushioning, as I am 6.2 and has some back pain.
3. I am using Synthetic oil(10w30sj of honda CBR). Is it ok? BTW engine and gears are butter smooth.
Valuable info:- bike is running on NGK platinum spark plug(better than stock one) and . Using hunk GRS and I feel grs is waybetter than stock spring arm in red.





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