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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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how to bulk export bryton .fit files?

I have a Bryton Rider410 GPS. I periodically connect it to my linux computer with USB and download the .FIT files before emptying the device (otherwise the android app gets really slow). I have just ...
jhnc's user avatar
  • 645
6 votes
6 answers
877 views

How to track ride data for a shared bicycle?

If multiple cyclists share a household but do not share bicycles, the conclusions are evident. Each bicycle must be fitted with its own speed/cadence sensors and its own cyclometer mount. It's a pain ...
Sam7919's user avatar
  • 9,554
1 vote
3 answers
111 views

Magene HR monitor, Avg 175 max 212?

I just bought a Magene C406 pro and it measured what I show in the image. Does that makes sense? It was a strenuous ride, but everything felt in order, sustained, and the whole ride lasted 20 minutes (...
chubakueno's user avatar
2 votes
1 answer
187 views

Out-front mount screw for Garmin Edge 540/840/1040

I realise this might be a pretty long shot but I'll try anyway: please, does anyone know the dimensions of the screw that secures the out-front mount of Garmin Edge 540 (and possibly 840 and 1040) to ...
Ecir Hana's user avatar
  • 291
6 votes
3 answers
3k views

Fix/replace worn-through side-button on Garmin Edge 520

My cycling computers "down" sidebutton has worn through due to my bad habit of only skipping through data pages using the lower of the two buttons. Rubber has perforated and it fell off ...
DoNuT's user avatar
  • 4,536
0 votes
4 answers
297 views

My bike computer doesn't generate meaningful numbers

I have a Bryton 420 bike computer and my friend has a Coospo BC200. You might think Bryton is a better brand and would produce more accurate data but it doesn't. When I upload my ride to Strava I see ...
Ender's user avatar
  • 2,090
1 vote
0 answers
64 views

Wired GPS Head Units or GPS Head Units with An Airplane Mode Feature

I'm looking for a Jump starter power bank for GPS head unit that is wired (doesn't have wireless capabilities) or has an airplane mode feature. In the wireless world we live in, I think going on a ...
Drew's user avatar
  • 11
2 votes
3 answers
302 views

Seeking a pair of cyclometer + online portal for correct bike identification

New statement of the problem I use the same head unit for multiple bicycles. Each bike is fitted with its own sensors and mounting bracket for the head unit. When I switch the head unit on, it asks ...
Sam7919's user avatar
  • 9,554
8 votes
5 answers
4k views

Simple bike computer

I need a new bike computer (speedometer) and I believe in simplicity. All the bike computers I can find online and in bike dealers have many functions which I neither want nor need; all I want are ...
NL_Derek's user avatar
  • 297
6 votes
3 answers
2k views

Crank-based Power Meter for Shimano Sora

I am a junior amateur cyclist and I have a road bike with a Shimano Sora groupset (shifters, crank, front and rear derailleur, cassette). I am looking to step up my cycling to the next level and have ...
Codingwiz's user avatar
  • 163
4 votes
1 answer
256 views

What are the non-wheelsize settings on my Michelin F17 cyclocomputer?

I've got an old michelin speedometer(F17) for my bike and I've lost the manual (nothing on the web), I've had to replace the battery and now I have to redo the settings. I've already set up the tire ...
Nozz's user avatar
  • 43
2 votes
1 answer
257 views

Garmin Edge 500 Compatible Parts

My Garmin Edge 500 is having some trouble with the buttons on the right hand side. After many years of faithful service the start/stop button barely functions and it looks like the external rubber has ...
Scottmeup's user avatar
  • 1,427
2 votes
2 answers
3k views

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 ...
Branislav Abadjimarinov's user avatar
4 votes
2 answers
2k 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. ...
Jester's user avatar
  • 351
1 vote
1 answer
384 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 ...
jhnc's user avatar
  • 645
-1 votes
1 answer
124 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.
Adam Kuzmenko's user avatar
1 vote
2 answers
153 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.
heracho's user avatar
  • 175
-1 votes
2 answers
899 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)...
AttributedTensorField's user avatar
0 votes
1 answer
90 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.
Ivan's user avatar
  • 661
3 votes
2 answers
1k 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 ...
user2661923's user avatar
4 votes
3 answers
269 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 ...
Sam7919's user avatar
  • 9,554
3 votes
1 answer
3k 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 ...
White hawk's user avatar
4 votes
3 answers
278 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 ...
Sam7919's user avatar
  • 9,554
3 votes
1 answer
1k 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 ...
juhist's user avatar
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4 votes
1 answer
245 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 ...
zabop's user avatar
  • 151
1 vote
2 answers
989 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 ...
Swiss86's user avatar
  • 11
0 votes
2 answers
878 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 ...
daky's user avatar
  • 103
-2 votes
4 answers
757 views

How can I segment the large market for cyclometers?

I am having trouble navigating the formidable variety of cyclometers on the market. As a commuter I was more than happy with strictly speed + distance on a simple (and, in retrospect, wonderfully ...
Sam7919's user avatar
  • 9,554
3 votes
3 answers
716 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 ...
Gill Bates's user avatar
9 votes
4 answers
3k 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 ...
Johnny's user avatar
  • 247
5 votes
4 answers
5k 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 ...
Pete's user avatar
  • 793
-1 votes
1 answer
460 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 ...
Linda de Ruyter's user avatar
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 ...
ttarchala's user avatar
  • 2,689
0 votes
2 answers
3k 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?
susan hanley's user avatar
0 votes
1 answer
225 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. ...
Ivan's user avatar
  • 661
3 votes
3 answers
3k 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 ...
Vishnu N K's user avatar
0 votes
4 answers
563 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. ...
Abhi's user avatar
  • 1
1 vote
2 answers
702 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 ...
Sophie McCarrell's user avatar
0 votes
1 answer
126 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 ...
a.grochmal's user avatar
5 votes
4 answers
710 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 ...
John Smith's user avatar
11 votes
2 answers
14k 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) ...
kryger's user avatar
  • 498
4 votes
1 answer
1k 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 ...
Uresh Kuruhuri's user avatar
0 votes
1 answer
165 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 ...
A. MacDonald's user avatar
7 votes
4 answers
2k 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 ...
pisgahrich's user avatar
-2 votes
2 answers
239 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.
Nick Cihlar's user avatar
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, ...
Darin J Werner's user avatar
6 votes
2 answers
9k 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 ...
Atul's user avatar
  • 313
1 vote
2 answers
230 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 "...
Ty Le's user avatar
  • 111
0 votes
0 answers
385 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 ...
user95786's user avatar
  • 1,187
13 votes
5 answers
38k 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 ...
npsantini's user avatar
  • 1,907