Bike Cog
What does "Single speed with 16t fixed cog and 18t Freewheel" mean when looking at specifications for a bike?
your looking at a single speed bike with a double sided hub (flip flop) meaning you can choose whether to ride fixed or free
there are two types of single speed
1st, a fixed cog means that the cog/sprocket is directly attached to the rear wheel, meaning if the wheel is moving the cranks are moving, so you are continuously pedaling
2 a single gear bike has a freewheel/cassette with 1 cog/sprocket, when you pedal the freewheel/cassette engages and drives the rear wheel, but unlike a fixed gear you can coast, which basically means the wheels continue to move but you dont have to pedal
and the 16t and 18t are just the size of cog/sprocket
16 is the number and t=teeth, a 16 tooth sprocket
the lower the number of teeth on the back the higher the gear
ive tried top explain it to the best of my ability
if you think what im talking is jiberesh check out sheldon browns page ( will link it in the sources) hes a guru in the cycling world ( R.I.P )
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