Originally Posted by Ironic Mullet
True, but the magnet is moving faster relative to the sensor at the rim than the hub. I try to get as close to the hub as possible.
The sensor doesn't "care" how fast the magnet is going - just if it's going past.... I guess it could mis-read if it was faster....
I set it out quite far near the rim - as close to opposite to where the valve stem is to balance the wheel
is it only cyclists that worry about the most pointless details??