My guesses are below:
> In the process of restoring some raleighs, i have been thinking about
> what is needed to keep the bike running for 20 years (of my style of
> riding), because several parts are still being made, but they won't be
> made 20 years from now. My type of riding is commuting about 80 miles
> per week currently. So that's about 4000 mi a year, or 80,000 mi
> total. What are the proper replacement intervals for these items ?
>
> chain : xx mi every 2000 miles, or less to get longer life out of
your rings and cogs....
> freewheel : xx mi see above but maybe every 3rd chain replacement
> hoods : xx mi annually -this is asthetic though
> brakepads : xx mi every 4000 miles
> clichers : xx mi depending on quality, but you should be able to
get a years worth of miles on a set of tires
> tubulars : xx mi same as above
> small
> chainring: xx mi see chain, but maybe every other chain replacment
> bar tape : xx mi annually
> bar plugs : xx mi annually
>
> - Don Gillies
> San Diego, CA