HED3 freewheel to track conversion
10-18-08, 06:39 PM
#1
big ring
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HED3 freewheel to track conversion
I want to convert a rear HED3 freewheel for track use.
It is 130mm OLD (road standard) now. I'd like to get it to 120mm OLD (track standard) spacing with the HED track conversion kit that is sold on their website. Would the conversion kit do this or does it stay at 130mm?
In addition, if you have this setup, how does the converted wheel do under resisting and backpedalling?
It is 130mm OLD (road standard) now. I'd like to get it to 120mm OLD (track standard) spacing with the HED track conversion kit that is sold on their website. Would the conversion kit do this or does it stay at 130mm?
In addition, if you have this setup, how does the converted wheel do under resisting and backpedalling?
10-19-08, 08:37 AM
#2
aka mattio
I don't have any answers to your questions, but have you considered using it on the front, where you'd get a greater aerodynamic advantage?
10-19-08, 08:55 AM
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big ring
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I already have one for the front. This will be for track use but I wondered how it would hold up to occasional street use.
10-19-08, 12:28 PM
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Not sure if the hub setup is exactly the same for the HEDs as for the old specialized Trispokes, but my trispokes wouldn't be a terribly good idea for the rear on the street-- there's no way to put a lockring on. It's a standard 1.37x24 thread for a freewheel or cog, and to get the chainline right you have to have an adapter that just threads on. Even if the adapter could take a lockring to hold the cog on, it's not set up for any kind of lockring to hold the adapter on. It's fine on the track where you don't backpedal, but could make you really unhappy on the street.
The wheels themselves are pretty tough. They were made for use on track and road racing/crits, though I don't think they're mass start legal on the road anymore for UCI events. I've crashed mine on the track a few times and they're just a little scuffed.
The wheels themselves are pretty tough. They were made for use on track and road racing/crits, though I don't think they're mass start legal on the road anymore for UCI events. I've crashed mine on the track a few times and they're just a little scuffed.
10-19-08, 08:45 PM
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I've actually been wondering virtually the same thing. I picked up a dirt cheap older HED disc, also 130mm road standard. I've been planning on calling HED and asking, but haven't had the money nor the time to race so I haven't bothered.
Let me know if you find anything out.
Let me know if you find anything out.
10-23-08, 08:02 AM
#7
big ring
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That's too crazy for me! I'd very curious to see a photo of your work however.
I emailed HED but I have yet to hear back. I will share their response when I do...
I emailed HED but I have yet to hear back. I will share their response when I do...
10-23-08, 11:35 AM
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i have a 130mm spaced HED disc for the back.
i didnt want to just locktite a cog on it because:
A. the chainline would be wayy off
B. thats ghetto
so, i designed (on solidworks5) an aluminum piece thats welded onto the hub that has 6 threaded holes. then i designed a steel cog that bolts onto it.
then i just used a grinder to shave 5mm off of each of the spacers so it'd be 120mm (a machine shop could easily do this for you if you dont have the tools).
im using chain tensioners because i have a quick release. perfect
i can post pictures of the part later if youd like, im not on my laptop right now
assuming that you have the same chainline as i do, i could send the same parts out to you. but it'd be a 15T cog, i never designed other cogs (no need to, i designed this part for myself and i only wanted a 15T). AND you'd need to take it to a shop to have it welded on. it only costs a few dollars.
just thought i'd make the offer available
i didnt want to just locktite a cog on it because:
A. the chainline would be wayy off
B. thats ghetto
so, i designed (on solidworks5) an aluminum piece thats welded onto the hub that has 6 threaded holes. then i designed a steel cog that bolts onto it.
then i just used a grinder to shave 5mm off of each of the spacers so it'd be 120mm (a machine shop could easily do this for you if you dont have the tools).
im using chain tensioners because i have a quick release. perfect
i can post pictures of the part later if youd like, im not on my laptop right now
assuming that you have the same chainline as i do, i could send the same parts out to you. but it'd be a 15T cog, i never designed other cogs (no need to, i designed this part for myself and i only wanted a 15T). AND you'd need to take it to a shop to have it welded on. it only costs a few dollars.
just thought i'd make the offer available
10-23-08, 04:10 PM
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The screw-on is perfectly fine for track racing- if you're spinning a cog off backward in a track race you already have a much bigger problem. And I wouldn't think of running my racing tires that I use on the tri-spokes on the street anyway-- I'd carry the wheels in a bag if I was riding to/from the track. And there's a lot to be said for compatibility of parts, so you can borrow/lend cogs in a pinch.
Last edited by bitingduck; 10-23-08 at 04:16 PM.
10-24-08, 08:49 AM
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the hed one is $30. The older ones have lockring threading so if you bolt them in place they won't come off. Why the **** would you want to ride on the street with a disk anyway? Plus only having a 15t or having to get another proprietary cog made makes no sense for track racing.
10-24-08, 02:28 PM
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must have been some intermediate design. I have some really old specialized tri-spokes that were threaded for a freewheel and there's not a lockring thread. Even if the adapter had one, it wouldn't matter, because you could just spin the adapter off. With mine the cog generally stays tight to the adapter, and the adapter unscrews unless I hold it with a big wrench. I've never used a lockring anyway...
10-25-08, 02:22 PM
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i have an hed superlite disc that I sent to the factory, they trued the wheel for me for like 20 bucks and installed a fresh track axle for another 50. why would you not do that.
and someone said its more aerodynamic up front? ..no...
and someone said its more aerodynamic up front? ..no...
10-27-08, 08:37 AM
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yea its 120mm spaced, cant think of any other track conversion size? hope no one is sticking it on like a jamie roy. I'm sure they could arrange it to be spaced like any other hub if you need like 110 for example. if you call the phone number one of the people will answer about any question you like, I figured it all out from them in like 5 minutes
its also here: https://www.hedcycling.com/cart/accessories.php
its also here: https://www.hedcycling.com/cart/accessories.php
11-09-08, 02:27 PM
#19
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too lazy to read this entire thread.. but ive one it to two heds already..... (convert to track rear) spacing is 120mm you can order the part from HED directly ask for "ANNE" shes very helpful... i think the total cost with shipping is just about 90$ and you can get your local LBS to install the part for you.. works great on the track and iits very solid and sturdy... feels really fast in velo
(fyi) the part loooks vverrrrryyyy similar to the surly fixxer ... i wonder if they just get them to make the conversion part for them...
(fyi) the part loooks vverrrrryyyy similar to the surly fixxer ... i wonder if they just get them to make the conversion part for them...
