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-   -   Cannondale F4 head shock (https://www.bikeforums.net/general-cycling-discussion/1228256-cannondale-f4-head-shock.html)

BobsPoprad 04-14-21 02:30 PM

Cannondale F4 head shock
 
I was wondering if anyone has converted from a headshock to a non- suspension regular fork.

I have looked online and it looks like the headshock on my F4 needs new seals at best. Don't know if the bladder is toast as well. it doesn't hold air for more than a ride.

I've been riding it as is, locked out with no suspension. What I was thinking was to swap out forks for a regular fork. Seems to me that the headshock is heavy if not used as intended. Also lowers the handlebars by 2-3 inches. I use this bike mainly on roads/paths anyway, and as a spring/fall ride. I have city tires/slicks on it.

Thanks

growlerdinky 04-14-21 02:38 PM

Try asking in the Mechanics subforum if you don;t get a response here.

BobsPoprad 04-14-21 02:56 PM

Thanks. I'll do that.

Moisture 04-15-21 07:37 AM

Measure the ATC (axle to crown) on your current fork. Your replacement fork will need to be roughly the same length. You can go just a bit shorter if youre limited on options. Make sure your new fork has a similar rake figure.

Dan Burkhart 04-16-21 05:11 AM


Originally Posted by BobsPoprad (Post 22014872)
I was wondering if anyone has converted from a headshock to a non- suspension regular fork.

I have looked online and it looks like the headshock on my F4 needs new seals at best. Don't know if the bladder is toast as well. it doesn't hold air for more than a ride.

I've been riding it as is, locked out with no suspension. What I was thinking was to swap out forks for a regular fork. Seems to me that the headshock is heavy if not used as intended. Also lowers the handlebars by 2-3 inches. I use this bike mainly on roads/paths anyway, and as a spring/fall ride. I have city tires/slicks on it.

Thanks

I did this with a F2000 from the late 90s. I replaced the Headshok with a suspension corrected Surly fork. To do so required headset adapters to fit a 1 1/8" headset.
Now you can buy a headset to fit directly, but I couldn't find one at the time. https://www.amazon.ca/dp/B07GK8S4LY/...v_ov_lig_dp_it

BobsPoprad 04-18-21 09:46 AM

Thanks for the replies here as well. I posted this in the Bicycle Mechanics forum:


Thanks for the reply.

I stopped in to my LBS and got some good info as well. first, I guess they will send it to Mendoncycle to get it repaired. The shop owner just did that last year on a headshock.
I still like the idea of going rigid. We looked up some forks that would work (29ers I guess, because of the head shock), and they actually can't get any right now.

So, I either I take a gamble on servicing the headshock, or play the waiting game.

Thanks again for the information.

fishboat 04-20-21 05:44 AM


Originally Posted by BobsPoprad (Post 22020171)
Thanks for the replies here as well. I posted this in the Bicycle Mechanics forum:


Thanks for the reply.

I stopped in to my LBS and got some good info as well. first, I guess they will send it to Mendoncycle to get it repaired. The shop owner just did that last year on a headshock.
I still like the idea of going rigid. We looked up some forks that would work (29ers I guess, because of the head shock), and they actually can't get any right now.

So, I either I take a gamble on servicing the headshock, or play the waiting game.

Thanks again for the information.

What axel-to-crown length were you using?

Please do post back if you go the rigid route. I see a fair number of nice Cannondales available and many look like nice bikes, but the headshok is the thing that says.."not going there" as it'll undoubtedly need to be rebuilt. A blown headshok is a great issue to depress the price of the bike. I've thought a number of times.."..so many nice bikes that may become useless due to the non-std headset/shok...there should be a popular/well-used pathway to getting these bikes back on the road, much like the many conversions of old mountain bikes into drop bar gravel bikes, hybrids, touring bikes....."

AdkMtnMonster 04-20-21 11:11 AM

Just remove it and ship it to Mendon CycleSmith. $75 plus parts (cheap, generally) and you’ll have a fully functional HeadShok again, no silly adapters or gangly compromises needed. Do it. Less than a week turn around time.

BobsPoprad 05-01-21 09:19 AM

https://cimg0.ibsrv.net/gimg/bikefor...05a22c9287.jpg
New fork, headset and stem.

Charliekeet 05-01-21 09:34 AM

Lookin good!

Darth Lefty 05-01-21 09:55 AM

Like this?
https://www.amazon.com/Cannondale-Re.../dp/B00TQZ3FV6


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