Raleigh Sensor

staywithme

Member
I have one of these bikes and i need to learn more about it, this may sound daft but how do i find out how many gears it has and the size of the bike etc...on the seat post it says 18-23 does this have anything to do with the size etc its totally standard just like it was bought years ago same wheels etc

Can someone advise me plz :biggrin:
 

lip03

Über Member
Location
beds/ london
to find how may gears simply multiply the amount of rear cogs by the ammount of front cogs i.e if there is 5 at the back and 2 at front then you have a ten speed (5x2) frame size is calculated by measuring from the centre of the bottom bracket (where the cranks or cogs attach to the bike) to the top of the seat post

hope that helps
 
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