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-   -   Checkpoint=1 Cadence Sensor=0 (https://www.bikeforums.net/showthread.php?t=1253396)

exercion 06-13-22 08:12 AM

Checkpoint=1 Cadence Sensor=0
 
Love my bike, but hate trying to fit a cadence sensor on it. Won't clear on the cranks, so I read about putting it on the outside of the chain ring. That worked for about 400 miles, but the sensor went adrift somewhere on a bouncy decent this weekend. I'm almost ready to try epoxying it on. I have straps, not laces on the shoes, so that doesn't look like a good option.

What have you found works?

Fentuz 06-13-22 08:41 AM

I run mine (3 of them on 3 bikes) on the non drive crank. Due to clearance, I run them about 1/2" from the bottom bracket.

To be safe, all my sensors (cadence and wheel speed) are attached using either garmin or wahoo mounting system but for added safety, I alway add a cable zip tie all around to secure the lots.

force10 06-13-22 08:43 AM


Originally Posted by exercion (Post 22539719)
Love my bike, but hate trying to fit a cadence sensor on it. Won't clear on the cranks, so I read about putting it on the outside of the chain ring. That worked for about 400 miles, but the sensor went adrift somewhere on a bouncy decent this weekend. I'm almost ready to try epoxying it on. I have straps, not laces on the shoes, so that doesn't look like a good option.

What have you found works?

What cadence sensor? I have a garmin that fits fine on my Checkpoint crank - non-drive side.

biker128pedal 06-13-22 12:36 PM

I assume your using the Bontrager Duotrap sensor for speed and cadence that fits in the stay. I have that on my Domane SL. The magnet holders that came with it did not fit and looked unsightly. I used 3M double stick take to attached the the larger magnet to the inside of the crank. Or if you lost the magnet, pickup a rare earth magnet at the store or on the web.

The 3M tape is a gray foam. Thin and comes with red backing. Made for outside use. Attach and trim the excess before removing the red backing. Clean the place you plan to attach. I used painter tape I had to hold it in place and make sure to worked before and attaching. It almost would work just stuck to pedal spindle without the tape.

Here are a couple of pictures. The larger sensor I think is the Garmin attached with double stick tape.
https://cimg3.ibsrv.net/gimg/bikefor...801e57c92.jpeg
https://cimg5.ibsrv.net/gimg/bikefor...52a29c84a.jpeg

BTinNYC 06-13-22 12:59 PM

I have a cadence sensor happily attached to a crankset spider arm. On the inside of NDS crank the sensor rubbed the chainstay.

biker128pedal 06-13-22 01:12 PM

I see the OPs attached to the chain ring so cannot be the cool 😎 Duotrap. In that case like above says inside the spider if there is room.

exercion 06-14-22 05:01 AM

My new sensor is IGPSport, and seems a whisker thinner than my dearly departed one. I tucked this one on the NDS arm, almost touching the BB. Just have 10 miles so far, may add some tape, or I am thinking of fabricating a wide rubber band from an old road inner tube for a bit more security, if there's enough clearance. Yeah it's a snug fit. Not near the bike for a picture.

Fentuz 06-14-22 09:14 AM


Originally Posted by exercion (Post 22540777)
, may add some tape, or I am thinking of fabricating a wide rubber band from an old road inner tube for a bit more security, if there's enough clearance. Yeah it's a snug fit. Not near the bike for a picture.

if you are looking into that, get a large heat shrink tube for industrial cable and shrink wrap using heatgun or hair dryer (might take a while)

obviously, take the pedal off while you fit the sleeve

https://www.ebay.co.uk/itm/203043868...mis&media=COPY

https://www.ebay.co.uk/itm/142449455...mis&media=COPY

prj71 06-14-22 09:41 AM


Originally Posted by exercion (Post 22540777)
My new sensor is IGPSport, and seems a whisker thinner than my dearly departed one. I tucked this one on the NDS arm, almost touching the BB. Just have 10 miles so far, may add some tape, or I am thinking of fabricating a wide rubber band from an old road inner tube for a bit more security, if there's enough clearance. Yeah it's a snug fit. Not near the bike for a picture.

Why don't you just get the Bontrage DuoTrap sensor that integrates with your bike?

chas58 06-14-22 10:03 AM

I zip tie them to my shoes (to the boa straps actually). Since I use multiple bikes, this works great for me.

exercion 06-14-22 02:14 PM


Originally Posted by prj71 (Post 22541073)
Why don't you just get the Bontrage DuoTrap sensor that integrates with your bike?

Doesn't integrate with mine, thanks.

biker128pedal 06-16-22 05:08 AM


Originally Posted by exercion (Post 22541504)
Doesn't integrate with mine, thanks.

Oh did not say the year. Anyway how about shoe. Others have done this. Then mobile to any bike.


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