Questions tagged [bike-computer]

Questions referring to electronic devices which typically track a cyclist's ride metrics, such as their speed, distance, cadence, etc

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Does Bontrager DuoTrap S work with Garmin Fenix 6?

I have Trek Emonda SL5 Disk 2022 and I'm considering buying Bontrager DuoTrap S. I use my Garmin Fenix 6 watch as a bike computer and I mount it on the cockpit. Can I pair it with my Garmin Fenix 6 ...
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3 votes
0 answers
113 views

Bryton Rider 420 not showing vehicles from Garmin Varia radar

Trying to use the Garmin Varia RTL515 radar with Bryton Rider 420. I have it paired via ANT+ successfully. I get the sound notifications and the black strip shows up on the right side of the display. ...
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  • 131
1 vote
1 answer
90 views

sync oddity with wahoo to google fit

Why does Google Fit show such ridiculously different data from my Wahoo Bolt? bryton wahoo google Most values look reasonable but trip distance and average speed are extremely implausible. (Bedford ...
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  • 351
-1 votes
1 answer
106 views

Can someone tell my why it doesn't work? [closed]

I recently got an old used Huffy eco terra bike with a handlebar computer that doesn't work. Can someone tell me how it's powered and possibly why it doesn't work.
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1 vote
2 answers
143 views

Found a cateye strada computer on a trail. What to do?

Should I let it where it was? I know it's not an bike specific question, but maybe I can get good ideas.
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  • 175
-1 votes
2 answers
373 views

Bicycle computers that can transmit audio, music?

It appears that even the more high end bicycle computer products don't feature music playback. This is mildly surprising, considering that these high end devices (and probably lower end devices by now)...
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0 votes
1 answer
61 views

Which bike computer is best purely for navigation? [closed]

Priorities being: clear navigation prompts/pop-ups; screen size; map layout/colouring/clutter(lack of); calculation speed.
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  • 477
3 votes
2 answers
895 views

Can an odometer (magnet) be attached to an exercise bicycle crank arm (not the pedal)?

Just received from Amazon, assembled, and successfully used the following: Folding Exercise Bike with 10-Level Adjustable Magnetic Resistance | Upright and Recumbent Foldable Stationary Bike is the ...
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4 votes
3 answers
223 views

Do you oscillate your diet along with your riding?

Briefly If on alternate days you cycle and rest, and your ride uses, say, 1200 calories, what's better, to eat 2600 calories daily (and then where does the deficit come from on the riding days?) or to ...
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3 votes
1 answer
2k views

Can the Garmin Edge 130 obtain heart rate from a fitness wrist-band?

I know that Garmin sells HR monitor chest band, but I'd prefer wearing a fitness band on the wrist, that can also measure HR (likely less accurate). Would it be possible to connect the Garmin device ...
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4 votes
3 answers
249 views

Identifying extra triggers in a speedometer

The HRM, GPS, and cadence in my cyclocomputer give perfectly good readings, but the speedometer (and hence the odometer) readings are obviously incorrect. Because the speed and distance readings seem ...
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  • 4,049
2 votes
1 answer
537 views

How accurate are altimeters in bike computers?

I bought a bike computer with a pressure-based altimeter (Sigma 14.16 STS). It gives gradient of current hill with 1% resolution, current altitude with 1 meter resolution, and total climbed amount ...
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4 votes
1 answer
199 views

Is there a free speedometer app for Android phones which beeps if I am deviating from a pre-set speed?

I have seen that on bumps races, some coach signal to the team by blowing a whistle in different rythms. Is there a free phone app for Android phones, which I can set a speed for my ride, and if I am ...
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  • 151
1 vote
2 answers
543 views

How to attach Wahoo Elemnt Roam central on a RITCHEY WCS C220 110MM BLATT stem

I ordered a new bike with a RITCHEY WCS C220 110MM BLATT stem. I got a Wahoo Elemnt Roam and would like to attach this centrally to the stem (not via a side mount or on top of the handle bar). Does ...
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0 votes
2 answers
547 views

Bike GPS computer with real-time elevation profile

I'm looking for GPS bike computer (for road bike) for affordable price and with reasonable battery life. I don't care about brand, I just basically need 2 functionalities: map which is shown on the ...
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1 vote
3 answers
435 views

Is this summary for seeking an understanding of the landscape of cyclocomputers in 2020 accurate?

I am having trouble navigating the formidable variety of cyclocomputers on the market. I am not asking for product recommendations. A recommendation will in any case almost surely not be helpful. ...
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3 votes
3 answers
468 views

Is it possible to use custom maps on Sigma ROX 12?

I wonder if it's possible to somehow upload custom maps to Sigma ROX 12 bike computer? The default map that is available on it for my country is not very good, so I want to customize it. p.s. When I ...
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9 votes
4 answers
2k views

GPS bike computers in track cycling?

I am not familiar with track cycling at all but was wondering what type of bike computers, if any, are used in track cycling (in competition as well training)? I am assuming that at least in training ...
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3 votes
3 answers
2k views

How do I troubleshoot a cycle computer?

I have a cheap velo cycle computer made by cateye. It is a simple read out of velocity and clock and has no fancy functions at all. It worked fine for months, and then started "blipping" to double ...
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  • 709
-1 votes
1 answer
320 views

Cateye HR-10 heart rate monitor not recording

I bought a Cateye heart monitor HR-10 to record my heart rate on the Cateye digital cc-rd420dw, but my heart rate is not being recorded on the Cateye digital. I have put a new battery into the heart ...
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29 votes
16 answers
9k views

Dedicated bike GPS computer over smartphone

Yes, I know it's a duplicate of questions that have been asked before, for example this one: Are there advantages of dedicated bike computer instead of smartphone apps? But I feel that most of the ...
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0 votes
1 answer
2k views

Sigma BC 500 bike computer "SET MPH"

I changed the battery in my Sigma BC 500 and it only displays flashing SET MPH. How do I stop this?
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0 votes
1 answer
136 views

Sigma 14.16 STS screen barely visible

Around 4 months ago, I bought a Sigma 14.16 STS computer for my bike. I rode around 2500 km since then. Everything work perfectly until yesterday, when the computer just (almost) stopped displaying. ...
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  • 477
3 votes
3 answers
1k views

Bike computer which doesn't need a smartphone to work

I'm confused with different models of bike computers available in the market right now. I actually want a bike computer which can log data including speed, distance, GPS (optional) etc. I'm not ...
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0 votes
4 answers
362 views

Looking for ideas on how to track bike wheel rotations or distance traveled [closed]

I want to build a hack where when my stationary bike hits 0.1 miles, it sends an information to a webserver which would trigger a web API call. I understand how the webserver and API call would work. ...
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1 vote
2 answers
503 views

Why would anyone steal a bike computer off of a bike?

Lights can be re-used easily, but a bike computer... they would need to setup their own rigging for the wires and the magnets, that alone would cost them money and time, and who's going to buy from ...
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0 votes
1 answer
121 views

Seeking powermeter data [closed]

I am developing a small tool that allows to pick a day for a long cycle trip. The idea is to use weather forecasts to compute how bad/good the wind along the route in the following days is. You can ...
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5 votes
4 answers
330 views

Do GPS computers always need online account

I am looking to buy a GPS computer. I have looked at Giant's NeosTrack and Garmin's Edge series. Looking at the manuals, it is not entirely clear to me if you have to set up an online account. I would ...
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11 votes
3 answers
12k views

Wahoo Speed sensor: how does it work, exactly?

The Wahoo Speed sensor doesn't use a magnet to count the RPM, it's a single-unit and "(...) a 3-axis accelerometer is used to determine the rotation of the hub and thus your speed" (source) ...
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  • 479
3 votes
1 answer
965 views

What's the difference between power meter and bike computer?

I am currently using a IpBike computer app (on Android) with DuoTrap Speed and Cadence sensors on my bike. I was reading about power meters and how they would help in training by assessing the power ...
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0 votes
1 answer
139 views

pairing a Duotrap sensor the the ibike Newton

Is a Duo-trap speed/cadence sensor compatible with an I-bike Newton head unit? I can't make it pair up. I've tried keeping it a decent distance from other sensors and have tried resetting it, and ...
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7 votes
4 answers
1k views

Distance discrepancies between Strava and bike computer

I have an established 16 mile mountain bike loop I've been riding for a long time. I recently purchased a Magellan Cyclo 315 bike computer which I load files to Strava Premium from. Everything works ...
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-2 votes
2 answers
217 views

5-digit Bicycle Odometer available for bike computers? [closed]

Are there any bike computers that give you a five-digit odometer for pure cyclists like myself? If ever, I would pay up to around $25 so as to save money.
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4 votes
3 answers
1k views

Bicycle computers with nonvolatile memory

The one thing that keeps me from pulling the trigger on some bike computer is the lack of information about the odometer, the lifetime mileage on the bicycle. When you change the battery in your car, ...
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5 votes
2 answers
8k views

Edit a recorded strava activity?

I am wondering if its possible to edit the strava activity recorded by strava app for any errors ( Time, distance W.R.T to cyclo computer) The requirement for same is due to variance in results from ...
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1 vote
2 answers
217 views

Bike computer that logs all data to smartphone [closed]

Is there a cycling computer that logs all data on your bike and can output that data to a smartphone in a meaningful way? The issue with something like a Garmin Edge and Strava is the notion of "...
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  • 111
0 votes
0 answers
369 views

lezyne super gps wont record data on turbo trainer rides

I just purchased a lezyne super gps and have had no problems on out door rides but indoors where there is no gps signal it refuses to record the data from my power meter. Is there something basic I am ...
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  • 1,131
13 votes
5 answers
34k views

Can a bike computer be used on the rear wheel?

As the weather gets colder and colder, I find myself on a trainer more and more. The only way to gauge my workouts is by time, unless I set up the sensor for my bike computer on my rear wheel. Will ...
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1 vote
2 answers
3k views

How bike computer wheel circumference change affects speed

I have a cateye stealth evo+ bike computer and have been using the standard 700/25 wheel circumference that is listed in the instruction manual "2096". The value has been changed to 2143 using the ...
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  • 43
0 votes
2 answers
389 views

App to use Mobile phone (samsung S4 mini) as bicycle computer

What apps to use if I want to turn my old phone into a bicycle computer? I want to view basic info all the time such as speed, trip time, total distance traveled etc. Are there any apps which will ...
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2 votes
4 answers
709 views

Cycling distance per day

I am a software engineer and live in Dhaka in Bangladesh. My office is 7km far from my home. I am planning to commute to my office by bicycle every working day. Is this reasonable plan? This is my ...
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0 votes
2 answers
1k views

Can anyone tell me how pedelec sensor in PAS bicycles work?

While doing a literature review I found out about pedelec sensors (while googling some sensor to find torque applied by the rider). Is anyone who has used it willing to share the mechanism and can you ...
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3 votes
3 answers
2k views

Possible cause for Google Maps / bicycle odometer divergence (tire size setting correct)

I have plot my exact route from home to my office using Google Maps. By exact, I mean that I took nearly every turn and change from auto-calculated route to match my exact route into consideration. ...
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  • 544
4 votes
2 answers
618 views

Calorie Burn Meter Bicycle

Is there any bicycle with calorie burn meter in market? Its not the one on the gym. Normal bicycle for outdoors. Is there any bicycle like that in market? I have a project for my school work. Really ...
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1 vote
1 answer
3k views

Can the Garmin 520 be charged while riding?

I am looking to buy the Garmin 520 for some brevets but it only makes sense to do so if I can charge the device while riding. Does anyone know if this is possible? I know that the usb port is in a ...
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1 vote
3 answers
631 views

Are there any bluetooth speed sensor with data logging ability?

I use my bike mostly for getting around town. First I used smartphone gps apps to record my trips, but I often forgot to start or stop recording. Then I used a bicycle computer, but I didn't like it ...
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7 votes
1 answer
1k views

Using cheap bike computer as a cadence indicator, possible?

Has anyone ever tried just using a cheap ($5 for example) bike computer but instead of using the wheels, placing the magnet on the crank arms and then calibrating it to show cadence instead of road ...
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4 votes
6 answers
2k views

Windows Phone as a Bike Computer - What is the current State of the Art?

I have a Windows Lumia 532 phone. I currently use the Cycle Tracks GPS app to track and record trips and then upload to Ride With GPS and/or Strava. There is not a native Strava app. I've recently ...
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  • 157
7 votes
5 answers
2k views

Is it possible to move a wireless computer between two bikes?

I have a cateye velo 7 wireless computer on a Hybrid bike and I use it mostly to check the speed and track my miles like an odometer. I love it, its simple and cheap and works. I recently got a road ...
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  • 1,270
3 votes
7 answers
339 views

Are there permanently mounted bike computers?

Over the years I've owned multiple bike computers (whose things that tell your speed/distance). Each time the head either falls off while I'm riding or I remove it, but lose it somewhere. I want my ...
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