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@minty95
Jumping in here
I'm strange as I use my Pompino singlespeed for normal road riding, no in town stuff as I live out in the sticks, so while my friends on on their roadie bikes me I'm riding singlespeed with them on a 42 / 16 - 167.5mm setup, yesterday ride for instance was 87km
I'm going to change the whole drive setup and was thinking about buying a Miche Primato Advanced Track Chainset as they seem a good price, but the smallest chainring size is 48T so down to my question : should I fit a 18T cog which is about the same ratio as my 42/16 (which is just fine) or should I fit a 17T
PS : I've seen the chart above and have the app rabbit for the ratios, just wondering if I run a 17 would it be to hard for instance,
I've just noticed that the miche primato on Wiggle only comes in a 165mm /48T or a 170mm /50T so can I replace my 167.5 cranks with 170mm ? 2.5mm shouldn't make any difference, right ? and a 50/19 is exactly the same as a 42/16
many thanks