tanmay.. dont change ure tyres just for the sake of changing tyres.
There'l be new issues.. rpm, speed, handling, mileage etc to address
the Zappers on the 180 are good enough.
DO NOT PUT SLICKS ( bald tyres )
they'r meant for racing.. and have
NO GRIP in the wet.
spiky tyres are meant for off road dirt/muddy conditions.. not for city riding
( there are no pros for this.. only cons )
now for the sprocketing..
this depends on the tyre ( if u change it ).. so there is no fixed formula..
however, if u dont change the tyre, its simple
when i changed my CBZ sprocket.. this is the article i referred to..
just found the link... it has all u want to know about sprocketing !
http://www.overdriveindia.com/art_dt...atures&code=17
and u're welcome !