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-   -   Mounting a light on a carbon seatstay? (https://www.bikeforums.net/bicycle-mechanics/1205829-mounting-light-carbon-seatstay.html)

tomgdaly 06-26-20 11:40 AM

Mounting a light on a carbon seatstay?
 
Any 'bright ideas' for mounting a light on a carbon seatstay?

Iride01 06-26-20 12:12 PM

How heavy a light are you mounting? My lights are held on by a wide rubbery band that hooks in two places. Most of the small bright lights similar to Bontrager Flare come with that type mount. Lights that are a little heavier use a mount similar to some of the out front mounts for your GPS. All I've seen come new with the adapters to make the mount the right size for the seatpost or size seatstay, or tube you want to mount them on. Regardless of whether carbon fiber or not.

As long as the mount puts fairly equal pressure on every side of the tube, it's not going to crush it.

fietsbob 06-26-20 01:03 PM

wrap it with rubber taped down and it should stay unblemished..

Mount it to he saddle instead?

blamester 06-26-20 01:15 PM


Originally Posted by tomgdaly (Post 21554745)
Any 'bright ideas' for mounting a light on a carbon seatstay?

Get one that is designed to be there or modify a type that isn't.

squirtdad 06-26-20 04:40 PM

https://www.amazon.com/CYGOLITE-Tune...5-4be35d7258cc

https://www.amazon.com/Cygolite-Fron...5-4be35d7258cc

woodcraft 06-26-20 07:43 PM

Mostly folks attach it to seatstay so that drivers can't see it much, but passing birds can.

More of a dull idea, IMO.

Crankycrank 06-27-20 08:09 AM

What light are you mounting and photos of the frame would help. Should not be too difficult to find a solution. Some mfrs. even offer separate mounts for this or Ebay may have something if not wanting to fabricate your own.

aggiegrads 06-27-20 08:28 AM


Originally Posted by woodcraft (Post 21555600)
Mostly folks attach it to seatstay so that drivers can't see it much, but passing birds can.

More of a dull idea, IMO.

If one is short, there isnít room for a tool roll or seatbag to be mounted on the seatpost at the same time, so one has to find another place to keep a light (or tools). I mount on the left side seat stay for exactly this reason, but you have to have a light with an adjustable angle mount. Planet bike lights even come with a separate clamp to mount on the seat stays.

tFUnK 06-27-20 09:48 AM


Originally Posted by tomgdaly (Post 21554745)
Any 'bright ideas' for mounting a light on a carbon seatstay?

Maybe, can you show us the light and the seat stay?

headasunder 06-27-20 10:52 AM

most lights with bungy like attachments will have no problems on a seat stay just be careful you dont sneeze when around carbon frames as they are so fragile they might explode into pieces

woodcraft 06-27-20 11:13 AM


Originally Posted by aggiegrads (Post 21556177)
If one is short, there isnít room for a tool roll or seatbag to be mounted on the seatpost at the same time, so one has to find another place to keep a light (or tools). I mount on the left side seat stay for exactly this reason, but you have to have a light with an adjustable angle mount. Planet bike lights even come with a separate clamp to mount on the seat stays.


Sqirtdad's link has an adjustable mount, 'tho those are excessively bright IMO.

I'd also be concerned about the light possibly rotating into the spokes, & a bit of aero penalty.


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