I gave up after Mk3 so didn't try the Mk 4. Two failures and 3 attempts to rectify the problem by IRD was enough for me to lose faith. There was a good reason Suntour and Maillard were fitted to pretty much every bike as standard back then and they are still a good second hand choice today so long as they're not too worn. Very well engineered.
In 35 years of regular cycling the only freewheels I've ever had fail on me without warning were the IRDs.
fixedrob: apologies for the chit-chat but hopefully you'll find the info of some use to you.
I gave up after Mk3 so didn't try the Mk 4. Two failures and 3 attempts to rectify the problem by IRD was enough for me to lose faith. There was a good reason Suntour and Maillard were fitted to pretty much every bike as standard back then and they are still a good second hand choice today so long as they're not too worn. Very well engineered.
In 35 years of regular cycling the only freewheels I've ever had fail on me without warning were the IRDs.
fixedrob: apologies for the chit-chat but hopefully you'll find the info of some use to you.