CarryMe doesn't use a standard chain and crank arm. Their chain ring/wheel has a 4 bolt pattern instead of the usual 5. Chain I think comes as a loop/connected(no pinning/quick links); not the usual bike chain. So you're stuck getting the factory parts from a distributor/dealer.
Originally Posted by
CliffordK
I find support for big rings a pain. Most Trike, folding, and mini-velo vendors have them, but they can be extremely expensive.
If you are flexible, here are some options that won't break the bank.
61T, Ramped and pinned, $52.47
61T, Ramped and pinned, $52.50
68T, No ramps, $64
69T, Aero, No ramps $72
70T, Aero, No ramps, $73.28
75T, Aero, No ramps, $79
What are you using for the rear freewheel/cassette? Rear gear ratios?