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3
votes
5answers
314 views

Is it worth it to get a bike computer with cadence?

I'm looking into purchasing a bike computer, primarily to track distance and speed. Is it worth it to go up a notch and get a computer that also tracks cadence? How accurate are bike computers at ...
1
vote
2answers
160 views

Multiple Bluetooth Smart sensors for bike?

I just bought a Sports Tracker Smart heart rate monitor that communicates via Bluetooth. Then I saw the cadence sensor that also measures speed and distance plus it communicates with Bluetooth Smart. ...
2
votes
3answers
210 views

Bike Speedometer Accuracy [duplicate]

What factors should one look for when purchasing a speedometer? Does wired vs wireless or anything else factor into its accuracy?
1
vote
2answers
505 views

ANT+ to Bluetooth Low Energy bridge?

Does anyone know of a stand alone ANT+ to Bluetooth Low Energy (BTLE) bridge device? I have a Garmin Edge 810, which uses ANT+ ... but I would also like to track my rides on my iPhone 5S (which has ...
1
vote
1answer
243 views

Compatible heart rate sensors for CC-RD420DW

I purchased a bike computer about a couple of months back; which is a Cateye CC-RD420DW. Now this computer is supposed to provide a cadence and a heart rate monitoring, but the heart rate sensor is ...
5
votes
1answer
76 views

Bicycle Computer Mount for Small Diameter Handlebars

I have a steel bike with handlebars that are about half as thick as today's bikes. Where can I find a computer mount for these bars or should I just use some type of spacer? Thanks!
5
votes
3answers
894 views

Why would a bike computer calculate distance accurately but average speed inaccurately?

My otherwise reliable non-GPS bike computer calculates an extremely inaccurate average speed for my morning commutes. After my ride this morning, I read the following values from the display (units ...
2
votes
1answer
818 views

Sigma bc 1609 kmh flashing but not counting

I've just presented a new Sigma BC 1609 (wireless), assembled, put the sensor on the fork and a magnet on a spike, set the wheel size, looks fine. But the speedometer does not work - it is just ...
1
vote
2answers
2k views

Is the Suunto Ambit compatible with the Bontrager DuoTrap Digital Speed/Cadence Sensor?

Bontrager DuoTrap is ANT+ compatible as well as the Suunto Ambit (with firmare 2.0 or greater). Since it's not possible to find any proof of concept on the internet (specialized sites, forums, ...
5
votes
3answers
688 views

How accurate is Google Earth

I always use Google Earth to plan my cross-county routes. Lately, I have begun to ride long distance trips (over 70 kms). Checking my bike computer against Google Earth I have noticed consistent ...
8
votes
6answers
16k views

Choosing the right wheel size in my cycle computer

I have bought the Campangolo Khamsin wheelset, and now I would like to set the right wheel size in my Trek Incist 8i cycle computer. Before I do the custom wheel setting, I would like to know what ...
7
votes
6answers
3k views

Is it possible to estimate road grade while riding?

It would be nice to be able to estimate the grade of a road while riding, even if the estimate is not completely accurate. With a GPS, in theory it should be possible in theory to ride a short ...
5
votes
3answers
1k views

What does a cyclocomputer actually measure for calculating the speed of the bike?

What does a cyclocomputer actually measure for calculating the speed of the bike? Is it the time for one revolution $T$ or is it the number of revolutions $n$ per given time $t_0$? If the radius of ...
0
votes
5answers
6k views

What bike computer (speedometer) to get for mounting on the rear wheel?

I'm looking to get a bike computer, primarily for the speedometer function. I use my bike on a trainer most of the time, and I'd like to get "speed" from that, so the sensor needs to be on the rear ...
1
vote
1answer
648 views

What sites support Garmin Edge 200 .FIT format?

I'm wondering what sites support uploading .FIT (from a Garmin Edge 200) files for analysis and mapping? I know that Garmin Connect does, but I'd like to evaluate other sites that does what Connect ...
0
votes
3answers
736 views

Bicycle GPS Devices

I'm about ready to replace my 20 year old Nishiki with a brand new Cannondale Synapse Alloy 6. I will be getting a bike computer of some sort. I would really like a GPS unit made for biking, or ...
1
vote
3answers
2k views

Garmin Heart Rate Monitor Not Reporting Accurate HR Anymore

With my first Garmin Edge 305, I got the cadence and heart rate accessories. Cadence is still humming along, but the heart rate monitor has been not accurately reporting heart rate over the past ...
4
votes
5answers
443 views

Cyclometer interference from car detection loops?

I've noticed several times lately when stopping at an intersection with a car detection loop that my wireless cyclometer (an Atom 4.0) exhibits some strange behavior. It continues to think I'm moving ...
20
votes
11answers
14k views

Are there advantages of dedicated bike computer instead of smartphone apps?

I do a lot of road biking. I have a basic Catseye onboard computer for my speed and odometer. But I also use my iPhone to track and record my biking. I've tried a variety of iPhone apps, the best ones ...
8
votes
6answers
20k views

Wired or Wireless bike computer?

I have bought a new pair of road bikes. I am a triathlete (Sprint mostly) and I am interested to know, what computer should I buy now? wired or wireless? I mainly do not like wireless things (I ...
5
votes
4answers
3k views

How to measure calories burned?

How can I accurately measure the calories burned while using my bicycle? My bike computer tells me how many calories I have burned. But it has no cadence meter. The only measurements it has are my ...
2
votes
9answers
917 views

Reliable Bike Computer

This summer I have already bought two bike computers but both have failed to meet my expectations: Computer #1 The Filzer had poor reviews but I thought I would give it a try anyways. Should have ...
6
votes
2answers
608 views

How can I build my own open-source cyclometer?

I am interested to build a bike but I would also like to have free software/hardware. How can I build a cyclometer with open-source software? Would it be possible to find reflashable hardware or open ...
4
votes
4answers
913 views

When is Cyclometer useful?

Some call it speedometer or odometer but I mean the thing to measure velocity, trip distance and such things. When you come up with a usage-case, please, point out the function which you use. The only ...
39
votes
14answers
10k views

Bicycling apps for Android [closed]

I have an Android smartphone, with GPS, accelerometer, 3G internet connection, and other features that seem useful for bicycling. Are there any good bicycling apps on Android? One app per answer ...
8
votes
3answers
2k views

Stopping interference between LED lights and wireless Cycling Computer

My LED lights seem to be causing my wireless cycling computer to not pickup the signal (suggested by the manufacturer and verified through tests at home). What strategies/options are there for ...
20
votes
12answers
8k views

What is a good iPhone app for bikers?

There are tons that are out there for recording routes, and such. There's also the physical mounting. Is the iPhone actually good/useful for bikers?
29
votes
10answers
2k views

Are there any bicycle computers that will log ride data?

I'm looking to get a computer for my bicycle to give me some more information when I go on rides. I have seen and used several that belong to friends, and while they seem invaluable, the one feature ...