s4one

^^^ pretty much the ?? ^^^

Trsnrtr

Front, because the electrons have a shorter distance to travel. Another reason is because the front wheel gets to wherever you are going before the back wheel.

Edonis13

but they've both traveled the same distance, so that doesnt matter. and i highly doubt the extra 2 feet of wire is going to make a difference in information travel time.

Sprocket Man

If you like to count trainer miles, you need a rear sensor. If it's a wired computer, the installation tends to look a bit messier because you have to run the wire down the frame to the sensor.

Counting trainer miles is another topic unto itself, so I won't expound on this.

Jefferito

This should make for more reliability in signal transmission.

Sprocket Man

I'm pretty sure he was being sarcastic.

Mach42

Front: Less wiring mess if it's wired.

Rear: Can use on trainer. Can be hard to find wireless units that can transmit that distance. Messy wiring otherwise.

gmorris

I've had it both ways and can't really tell a difference. I prefer the the sensor on the back. I mounted the speed sensor and cadence sensor with the same zipp ties and put the magnet on the back of the pedal on the inside of the crank arm, which made it look much cleaner.
By the way, do you race in the ama or wera or is your avatar from a track day? I used to race until the kids came along tried to get back into it but my wife wouldn't let me have my balls back on weekends.

AEO

If you pull a lot of wheelies, then the rear.
If you pull a lot of stoppies, then the front.

Edonis13

with some of the people on this forum, you never know....

jrobe

It has to be rear wheel for me because I need it on my trainer - not so much for trainer miles but for speed and cadence.

eb314

I have mine on the front. I don't use my computer on the trainer because my trainer has its own screen, which is nice.

Tunnelrat81

Mine's wired and installed on the front. Wired cadence obviously works while on the trainer without adding "trainer miles" to my computer log. That kinda thing would piss me off, whether I "counted" trainer miles or not. Just having them all jumbled together wouldn't work for me. Cadence is absolutely necessary for trainer time, as it gives one of the few sure reference points that you have while riding stationary, plus most if not all of the spinerval workouts are based on cadence reference to some degree. But of course I digress...this cadence talk is all off topic.

-Jeremy

RT

Cranial implants are more efficient than a front fork mount.

Resistance is futile. You will be assimilated.

Amen

My sigma wireless allows me to switch bikes. I keep track of trainer miles, and road miles, and they are not jumbled together.

Quijibo187

I moved mine to the rear, partally for trainer time, also because i catch myself looking at it too often when it's in front of me, so I'm gonna try putting it in my pocket and see how I like that. So far, I like the clean look on the bars again.
Benefits of going without a computer while still tracking mileage I guess.

SS_MB-7

I'm using the wireless Sigma BC 1606L DTS + Cadence computer. It's great!

For winter training on a trainer, I've moved the speed sensor from the front fork to the rear seatstay. I've also moved the stem/bar mount for the computer to the mid-point along my top tube. Now, I get both speed and cadence while on the trainer. This has been great for the last 2 months. But today, I get my new PowerTap! Oh, the humiliation!

M.

Brian Ratliff

Most of my bikes have the sensor on the front - cleaner setup with the wires. The good bike gets a lot of trainer miles this time of year so it has the sensor on the rear. Not to track "trainer miles" but to get a sense for my power output and to keep my cadence and power output constant during an interval.

It's the $15 poor man's version of training using power. I don't have $4-600 lying around to spend on a power meter of any sort. I have a fluid trainer, so power increases by velocity cubed. This means that for every 10% increase in speed registered by my computer, there is about a 33% (1/3) increase in power. If I use my warmup as a baseline, I can do intervals by upping the speed during the interval to increase my power output on a relative basis.

Zouf

With wired cadence sensor, better to put the speed pickup in the back as well since you have wires going that way anyway - cleaner wiring. That's the classic CatEye Astrale 8 setup.

Without wired cadence (i.e. either no cadence or wireless), front install is cleaner, and better signal if speed sensor is wireless.

explody pup

Front. Always. Well, unless I'm drinking. Then maybe the back. But, even then, I have to be in a special mood.