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it wont fall off

It should be universally compatible

it should auto-calibrate if you go for a little ride with the 530 switched on! (somewhere with good GPS reception!)

@@uncoolben79 Thanks, the calibratiion function turns on after you spin the wheel a bit. I calibrated it by measuring wheel circumference rather than GPS as I have doubts about the accuracy of GPS.

@@johncrow5552 I know what you mean. I used to use my phone for strava, then an old Edge 130 and now a 530 ... Since ditching the phone for dedicated devices, my rides always show up to be 5-10% shorter than my friends who recorded via smartphone, with about 5-10% less climb! Bit annoying! Dont know if mine is correct or if the phones are!

No, since you either enter the wheel diameter manually or auto calculate it by riding.

the speed sensor is only sensing revolutions. So are you saying the Garmin Edge is calculating the speed by the number of revolutions divided by distance..?

@@rdkuless no, by multiplying revolutions with wheel circumference (=distance) and then dividing by time

The rear is more accurate for distance traveled (since the front wheel moves left and right a little during riding and therefore covers more distance on the same ride), but the front wheel had better reception (shorter distance to the computer and less obstacles in between).

@@macvoswhat if you are riding a unicycle? Will my accuracy be lower?

@@BenMilford probably the same as with the sensor on the back wheel, since it's impossible for a unicycle to not move in the direction the rest of the bike is going. If the wheel is 'flopping', so is the rest of the bike.

yes.

sorry just realized you said indoor bike. ya not sure about distance and speed unless your garmin watch is already giving you that.

you need speed and cadence sensor

Thanks John, it wasn't the easiest to film but a great feature that calibrated in just a couple of minutes.

This helped me, too. I have kept wondering where I enter the wheel size details all this time.

Thanks, that's Lola and Mia. I was busy filming a close up of the sensor but had no idea Mia was hiding in the bush waiting to pounce!

Hey Felis, You're right. I've had a good play around the Edge 25 and can't find any alternative options for the backlight - Only the two you've said. When the light comes on with a button press (auto time), you can turn off the light instantly by pressing the on/off button, the top left one. That's the best I can give you I'm afraid.

ShuffleRun I've just chatted with garmin rep, it's new software with this flaw, older software had possibility of turning backlight off. Thanks for answer

Hey +Ricky, I've tested this out by pairing a FR 220 with the Vivosmart HR. Surprisingly it was the 220 that ran out out of juice first! It lasted 8 and a half hours, while the Vivosmart HR still had plenty of power left. Once the 220 died, I kept the broadcast mode active on the Vivosmart HR and it lasted about another 10 hours; though not being connected to a device may drain battery differently. You should be fine to use it for your long bike rides, though it may shorten the battery life of your GPS device, best to use one that can easily last your ride just in case.