Joined: Jul 2006
Posts: 522
Likes: 95
From: TX
Bikes: Downtube IX NS&FS, Dahon Speed8Pro/Matrix/Curve, Brom S2L,Montague Para, ICE-XL w/Rollie/Schlumpf, Trident Spike, ebikes, BFSatRDay
I have been using the Magene sensors, which are dual sensors, that only perform one function at a time, but are inexpensive an have been reliable.
Set up is a bit fiddly at first, but once figured out not a big deal.
I would recommend a secondary loop of tape on crank sensors as the oring/robberband mounting is not resistant to being knocked off by your foot when riding.
This is an even bigger issue with foldies, being more exposed to getting knocked about