What do people think of the MiniMODs 2->3 sprocket kit?
I have a 6spd bromp which is generally great - the two middle gears 51"/63" are a nice combo for cruising around south London - but I want the 33" granny gear to be a bit lower to get up more hills further afield when carrying a little more weight.
The Brompton suggested 44t chainring would give me a granny gear of 29", but my middle gears would be 45"/56" (and then 71"/87"), which is going to suck.
However, a 47t chainring and the 12/15/17t MiniMODS triple would give me a better granny at 29", whilst keeping the middle gears of 51"/64" - and it's a ton cheaper than the amazing rohloff or whatever options.
What's the catch, then? Other than - how do I figure out what chain length I need...?
If you only want very low gears occasionally, a double chainset is the way to go. No front mech needed.
that's actually a good shout.... hmmmm
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